1. Janssen, EMEA Medical Affairs, Johnson & Johnson Platz 1, Neuss, 41470, Germany
2. Second Department of Psychiatry, School of Medicine, Aristotle University of Thessaloniki, Greece
3. Stellenbosch University, Cape Town, South Africa
4. CMP B, CRU Clermont-Ferrand, Clermont Auvergne University, France
5. Department of Neuroscience, Janssen Research and Development, LLC, NJ, USA
6. Janssen, EMEA Medical Affairs, High Wycombe, UK
7. Janssen Cilag, Biostatistics, Breda, The Netherlands