1. 2103 Dancing Fox RoadDecatur, GA 30032, USA e-mail: dmmoll@bellsouth.net
2. Centers for Disease Control and Prevention, National Center for Environmental Health, Division of Environmental Hazards and Health Effects, Health Studies Branch, 4770 Buford Highway, NE, MS F-46Atlanta, GA 30341, USA Tel.: (770) 488-3410 Fax: (770) 488-3450
3. Centers for Disease Control and Prevention, National Center for Environmental Health, Environmental Health Services Branch, 4770 Buford Highway, NE, MS F-28Atlanta, GA 30341, USA Tel.: (770) 488-7067 Fax: (770) 488-7310 E-mail: rug7@cdc.gov