1. USDA-APHIS-IS, U.S. Embassy Panama, Demetrio Basilio Lakas Avenue, Clayton, Panama
2. Panama-USA Program for the Eradication & Control of Screwworm (COPEG), Methods Development Department, Pacora, Panama
3. USDA-APHIS-IS, Screwworm Program, Pacora, Panama
4. University of Nebraska, Parducci Drive, Lincoln, NE