app/concepts/participant_challenge/views/list_detail.erb
<li>
<div class="pic">
<% if participant.is_a? NullParticipant %>
<%= link_to '#' do %>
<%= concept(Image::Cell,participant) %>
<% end %>
<% else %>
<%= link_to participant_path(participant) do %>
<%= concept(Image::Cell,participant) %>
<% end %>
<% end %>
</div>
<div class="details">
<h5>
<%= link_to participant_challenge.name, participant_path(participant_challenge) %>
</h5>
<p class='user'></p>
</div>
<% if policy(challenge).edit? %>
<div class="stats">
<div class="stat-fl">
Email<br>
<span><%= participant_challenge.email %></span>
</div>
</div>
<% end %>
</li>