1. ARCIM Institute (Academic Research in Complementary and Integrative Medicine), Im Haberschlai 7, 70794 Filderstadt, Germany
2. Department of Neonatology, University Hospital Tuebingen, Calwerstraße 7, 72076 Tuebingen, Germany
3. Department of Pediatrics, Filderklinik, Im Haberschlai 7, 70794 Filderstadt, Germany
4. Institute of Precision Medicine, University Furtwangen, Jakob-Kienzle-Straße 17, 78054 Villingen-Schwenningen, Germany
5. Insula Institute for Integrative Therapy Research, Brabeckstraße 177E, 30539 Hannover, Germany
6. Department of Integrative Medicine, University of Pécs, Vörösmarty Utca 3, 7623 Pécs, Hungary
7. Institute for General Practice and Interprofessional Care, University Hospital Tuebingen, Osianderstraße 5, 72076 Tuebingen, Germany
8. Institute of Complementary and Integrative Medicine, University of Bern, Fabrikstrasse 8, 3012 Bern, Switzerland