aSchaller Research Group on Neuropeptides, German Cancer Research Center (DKFZ) and CellNetwork Cluster of Excellence, the University of Heidelberg, Heidelberg, Germany
bCentral Institute of Mental Health, Mannheim, Germany
cCentre National de la Recherche Scientifique and University of Strasbourg, Institute of Cellular and Integrative Neurosciences, Strasbourg, France
dUniversity of Strasbourg Institute for Advanced Study (USIAS), Strasbourg, France
Sponsorships or competing interests that may be relevant to content are disclosed at the end of this article.
Received June 15, 2017
Received in revised form June 28, 2017
Accepted June 29, 2017