1. Attribute Sciences, Process Development, Amgen Inc., Thousand Oaks, California 91320, United States
2. Discovery Protein Science, Amgen Research, Amgen Inc., Burnaby, BC V5A1 V7, Canada
3. Drug Product Technologies, Process Development, Amgen Inc., Thousand Oaks, California 91320, United States
4. Biologics Discovery, Amgen Research, Amgen Inc., Burnaby, BC V5A1 V7, Canada