1. Center for Integrative Psychiatry Psychiatric University Hospital Zurich Rheinau Switzerland
2. Department of Urgent Psychiatry and Narcology State Institution, “Institute of Neurology, Psychiatry and Narcology of the Academy of Medical Science of Ukraine” Kharkiv Ukraine
3. Department of Clinical and Social Narcology State Institution, “Institute of Neurology, Psychiatry and Narcology of the Academy of Medical Science of Ukraine” Kharkiv Ukraine
4. Fachstelle Sucht Singen Singen Germany
5. Department of Psychiatry University of Michigan Ann Arbor Michigan USA