1. Arizona State University, 660 S. College Avenue, Tempe, Arizona 85287-3005, Phone:
480-965-4273, United States
2. North Carolina A&T State University, 1601 E. Market St., Greensboro, North Carolina 27401, United States
3. Bruker Nano Surfaces, 112 Robin Hill Road, Santa Barbara, California 93117, United States