diff --git a/src/Bundle/ChillActivityBundle/Resources/views/Activity/concernedGroups.html.twig b/src/Bundle/ChillActivityBundle/Resources/views/Activity/concernedGroups.html.twig
index 39c993dd3..f6b052265 100644
--- a/src/Bundle/ChillActivityBundle/Resources/views/Activity/concernedGroups.html.twig
+++ b/src/Bundle/ChillActivityBundle/Resources/views/Activity/concernedGroups.html.twig
@@ -3,89 +3,93 @@
     {{ path(pathname, parms) }}
 {% endmacro %}
 
-{% if context == 'person' %}
-    {% set blocs = [
-        {   'title': 'Others persons'|trans,
+{% macro computeWidth(nbBlocks) %}
+    {{ 'flex-basis: ' ~ (100 / nbBlocks)|round(1) ~ '%;' }}
+{% endmacro %}
+
+{% set blocks = [] %}
+{% if entity.activityType.personsVisible %}
+    {% if context == 'person' %}
+        {% set blocks = blocks|merge([{
+            'title': 'Others persons'|trans,
             'items': entity.persons,
             'path' : 'chill_person_view',
             'key'  : 'person_id'
-        },
-        {   'title': 'Third parties'|trans,
-            'items': entity.thirdParties,
-            'path' : 'chill_crud_3party_3party_view',
-            'key'  : 'id'
-        },
-        {   'title': 'Users concerned'|trans,
-            'items': entity.users,
-            'key'  : 'id'
-        },
-    ] %}
-{% else %}
-    {% set blocs = [
-        {   'title': 'Persons in accompanying course'|trans,
+        }]) %}
+    {% else %}
+        {% set blocks = blocks|merge([{
+            'title': 'Persons in accompanying course'|trans,
             'items': entity.personsAssociated,
             'path' : 'chill_person_view',
             'key'  : 'person_id'
-        },
-        {   'title': 'Third persons'|trans,
+        },{
+            'title': 'Third persons'|trans,
             'items': entity.personsNotAssociated,
             'path' : 'chill_person_view',
-            'key'  : 'person_id'
-        },
-        {   'title': 'Third parties'|trans,
-            'items': entity.thirdParties,
-            'path' : 'chill_crud_3party_3party_view',
-            'key'  : 'id'
-        },
-        {   'title': 'Users concerned'|trans,
-            'items': entity.users,
-            'key'  : 'id'
-        },
-    ] %}
+            'key'  : 'person_id',
+        }]) %}
+    {% endif %}
+{% endif %}
+{% if entity.activityType.thirdPartiesVisible %}
+    {% set blocks = blocks|merge([{
+        'title': 'Third parties'|trans,
+        'items': entity.thirdParties,
+        'path' : 'chill_crud_3party_3party_view',
+        'key'  : 'id',
+    }]) %}
+{% endif %}
+{% if entity.activityType.usersVisible %}
+    {% set blocks = blocks|merge([{
+        'title': 'Users concerned'|trans,
+        'items': entity.users,
+        'key'  : 'id',
+    }]) %}
 {% endif %}
 
 {% if (with_display == 'bloc') %}
 <div class="{{ context }} flex-bloc concerned-groups">
-    {% for bloc in blocs %}
-    <div class="item-bloc">
-        <div class="item-row">
-            <div class="item-col">
-                <h4>{{ bloc.title }}</h4>
-            </div>
-            <div class="item-col">
-                <ul class="list-content">
-                    {% for item in bloc.items %}
-                    <li>
-                        {% if bloc.path is defined %}
-                        <a href="{{ _self.href(bloc.path, bloc.key, item.id) }}">
-                            <span class="{% if (badge_person is defined and badge_person == true) %}badge-person{% else %}badge bg-primary{% endif %}">
-                                {{ item|chill_entity_render_box({
-                                    'render': 'raw',
-                                    'addAltNames': false
-                                }) }}
-                            </span>
-                        </a>
-                    {% else %}
-                        <span class="{% if (badge_person is defined and badge_person == true) %}badge-person{% else %}badge bg-primary{% endif %}">
-                            {{ item|chill_entity_render_box({
-                                'render': 'raw',
-                                'addAltNames': false
-                            }) }}
-                        </span>
-                    {% endif %}
-                    </li>
-                    {% endfor %}
-                </ul>
+    {% for bloc in blocks %}
+
+        <div class="item-bloc" style="{{ _self.computeWidth(loop.length) }}">
+            <div class="item-row">
+                <div class="item-col">
+                    <h4>{{ bloc.title }}</h4>
+                </div>
+                <div class="item-col">
+                    <ul class="list-content">
+                        {% for item in bloc.items %}
+                            <li>
+                                {% if bloc.path is defined %}
+                                    <a href="{{ _self.href(bloc.path, bloc.key, item.id) }}">
+                                    <span class="{% if (badge_person is defined and badge_person == true) %}badge-person{% else %}badge bg-primary{% endif %}">
+                                        {{ item|chill_entity_render_box({
+                                            'render': 'raw',
+                                            'addAltNames': false
+                                        }) }}
+                                    </span>
+                                    </a>
+                                {% else %}
+                                    <span class="{% if (badge_person is defined and badge_person == true) %}badge-person{% else %}badge bg-primary{% endif %}">
+                                        {{ item|chill_entity_render_box({
+                                            'render': 'raw',
+                                            'addAltNames': false
+                                        }) }}
+                                    </span>
+                                {% endif %}
+                            </li>
+                        {% endfor %}
+                    </ul>
+                </div>
             </div>
         </div>
-    </div>
+
     {% endfor %}
 </div>
 {% endif %}
 
 {% if (with_display == 'row') %}
 <div class="concerned-groups">
-    {% for bloc in blocs %}
+    {% for bloc in blocks %}
     <div class="group">
         {% if bloc.items|length > 0 %}
             <h4>{{ bloc.title }}</h4>
@@ -118,7 +122,7 @@
 
 {% if (with_display == 'wrap-list') %}
 <div class="concerned-groups wrap-list">
-    {% for bloc in blocs %}
+    {% for bloc in blocks %}
         <div class="wl-row">
             {% if bloc.items|length > 0 %}
                 <div class="wl-col title">
diff --git a/src/Bundle/ChillActivityBundle/Resources/views/Activity/showAccompanyingCourse.html.twig b/src/Bundle/ChillActivityBundle/Resources/views/Activity/showAccompanyingCourse.html.twig
index c6a87b87d..ada3ebbd6 100644
--- a/src/Bundle/ChillActivityBundle/Resources/views/Activity/showAccompanyingCourse.html.twig
+++ b/src/Bundle/ChillActivityBundle/Resources/views/Activity/showAccompanyingCourse.html.twig
@@ -9,7 +9,7 @@
 {% block content -%}
 <div class="activity-show">
 
-            {% include 'ChillActivityBundle:Activity:show.html.twig' with {'context': 'accompanyingCourse'} %}
+    {% include 'ChillActivityBundle:Activity:show.html.twig' with {'context': 'accompanyingCourse'} %}
 
 </div>
 {% endblock content %}