report by Lil Squid from the Noun Project. See:

Brookhouser N1,3,4, Tekel SJ1,4, Standage-Beier K1,2,4, Nguyen T1, Schwarz G1, Wang X1*, Brafman D1*

1School of Biological and Health Systems Engineering, Arizona State University, 501 E. Tyler Mall, ECG 334A, Tempe, AZ 85287, USA2Molecular and Cellular Biology Graduate Program, Arizona State University, Tempe, AZ 85287, USA3Graduate Program in Clinical Translational Sciences, University of Arizona College of Medicine-Phoenix, Phoenix, AZ 85004, USA 4 Co-first author