Written by: Satoshi Amagai, PhD, HHMI Dennis Liu, PhD, HHMI
Graphics by: Satoshi Amagai, PhD, HHMI Bill Pietsch, A3MG Blake Porch, HHMI Davey Thomas, A3MG
Version 2.0 Updated on 05/19/18
Website Development: Bill Pietsch, A3MG Davey Thomas, A3MG
Sources: National Cancer Institute: Harry Schaefer Bruce Wetzel