[1] Robin Dore MD Inc, Anaheim, CA USA
[2] Jacksonville Ctr Clin Res, Jacksonville, FL USA
[3] Sun Valley Arthrit Ctr Ltd, Glendale, AZ USA
[4] Healthcare Res Consultants, Tulsa, OK USA
[5] David Mandel MD Inc, Mayfield Village, OH USA
[6] Amgen Inc, Thousand Oaks, CA 91320 USA