1. Sapphire Energy, San Diego, CA 92121, United States
2. University of Texas Medical Branch, Galveston, TX 77555, United States
3. Amgen, Inc., Thousand Oaks, CA 91320, United States
4. Pfizer Global Research and Development, La Jolla, California 92121, United States
5. Biomarker Research Initiatives in Mass Spectrometry (BRIMS), Thermo Fisher Scientific, Cambridge, Massachusetts 02139, United States