1. Department of General Practice and Health Services Research, University Hospital of Heidelberg, Heidelberg, Germany (Mrs Bernhard, Dr Ose, Dr Baudendistel, Prof Szecsenyi, Prof Wensing, Dr Mahler)
2. Department of Population Health Sciences, Health System Innovation and Research, University of Utah, Salt Lake City, Utah (Dr Ose)
3. Cooperation Unit Clinical Pharmacy, University of Heidelberg, Heidelberg, Germany (Dr Seidling, Dr Stützle)
4. Department of Clinical Pharmacology and Pharmacoepidemiology, University of Heidelberg, Heidelberg, Germany (Dr Seidling, Dr Stützle)