1. NCE DMPK Merck Healthcare KGaA, Darmstadt, Germany
2. EMD Serono Research & Development Institute, Inc, Billerica, MA, USA, an affiliate of Merck KGaA, Darmstadt, Germany
3. Quantitative Pharmacology Merck Healthcare KGaA, Darmstadt, Germany
4. Merck Ltd, Piedmont, Italy, an affiliate of Merck KGaA, Darmstadt, Germany