[1] Univ Alabama Birmingham, Birmingham, AL USA
[2] Amgen Inc, Thousand Oaks, CA 91320 USA
[3] McMaster Univ, Hamilton, ON, Canada
[4] St Josephs Healthcare Hamilton, Hamilton, ON, Canada
[5] Vrije Univ Amsterdam, Med Ctr, Amsterdam, Netherlands
[6] Univ Calif Davis, Med Ctr, Sacramento, CA 95817 USA
[7] Maastricht Univ, Maastricht, Netherlands
[8] Robin K Dore Inc, Tustin, CA USA
[9] Metroplex Clin Res Ctr, Dallas, TX USA