1. ARCIM Institute (Academic Research in Complementary and Integrative Medicine), Im Haberschlai 7, 70794 Filderstadt, Germany
2. University of Pécs, Department of CAM, Hunyadi út 4, 7621 Pécs, Hungary
3. University of Tuebingen, Institute for General Practice and Interprofessional Care, Geschwister-Scholl-Platz, 72074 Tuebingen, Germany
4. University Furtwangen, Institute of Precision Medicine, Jakob-Kienzle-Straße 17, 78054 VS-Schwenningen, Germany
5. University of Tuebingen, Department of Psychology, Geschwister-Scholl-Platz, 72074 Tuebingen, Germany
6. Hannover Medical School, Institute for Diagnostic and Interventional Neuroradiology, Carl-Neuberg-Straße 1, 30625 Hannover, Germany
7. University of Memphis, Department of Psychology, 400 Innovation Drive, Memphis, 38152 TN, USA
8. University of Tuebingen, Children’s Hospital, Hoppe-Seyler-Straße 1, 72076 Tuebingen, Germany