1 Department of Clinical and Experimental Medicine, University of Parma, Parma, Italy; Mood Disorders Program, Tufts Medical Center, Boston, MA, USA. Electronic address: andrea.amerio@studenti.unipr.it.
2 Department of Mental Health, Local Health Service, Parma, Italy. Electronic address: mtonna@ausl.pr.it.
3 Department of Biomedical, Biotechnological and Translational Sciences, Unit of Public Health, University of Parma, Parma, Italy. Electronic address: anna.odone@mail.harvard.edu.
4 Institute of Psychiatry, Kings College London, London, UK. Electronic address: brendon.stubbs@kcl.ac.uk.
5 Mood Disorders Program, Tufts Medical Center, Boston, MA, USA; Tufts University Medical School, Department of Psychiatry and Pharmacology, Boston, MA, USA. Electronic address: nghaemi@tuftsmedicalcenter.org.