Acknowledgment
We are grateful to Pierre-Michel Llorca (Head of Centre Médico-Psychologique B, CHU, Clermont-Ferrand, France) for his helpful comments and discussion.
Declaration of interest
RP Garay is president of Craven, Villemoisson-sur-Orge, France, a non-profit association for therapeutic innovation. They have no other relevant affiliations or financial involvement with any organization or entity with a financial interest in or financial conflict with the subject matter or materials discussed in the manuscript apart from those disclosed.