[1] Pfizer Inc, Pharmacometr, Groton, CT 06340 USA
[2] Metrum Res Grp, Tariffville, CT USA
[3] Pfizer Inc, New York, NY USA
[4] Pfizer Inc, Clin Pharmacol, Groton, CT 06340 USA
[5] Pfizer Inc, Groton, CT 06340 USA
[6] Univ Santiago, Hosp Clin, E-15706 Santiago, Spain