1. International Scientific Information, Inc., Melville, USA
2. University Clinic for Integrative Health Care, Institute for Integrative Health Care and Health Promotion, Faculty of Health/School of Medicine, Witten/Herdecke University, Witten, Germany
3. Department of Psychiatry, First Faculty of Medicine Charles University in Prague and General University Hospital in Prague, Center for Cognitive and Molecular Neuroscience, Prague, Czech Republic