1. Analytical Research and Development, Pfizer Worldwide Research and Development, 445 Eastern Point Road, Groton, Connecticut 06340, USA
2. Employed at Pfizer during the time of this work, now at Merck Research and Development, 90 E Scott Ave, Rahway, New Jersey 07065, USA
3. Contingent Worker, Eurofins Scientific for Pfizer Worldwide Research and Development, 445 Eastern Point Rd, Groton, Connecticut, 06340, USA