| Authors: |
Humphrey JL; RTI International, 3040 Cornwallis Rd, Research Triangle Park, NC 27709, United States. Electronic address: jhumphrey@rti.org., Patel SV; RTI International, 3040 Cornwallis Rd, Research Triangle Park, NC 27709, United States., Strack CN; RTI International, 3040 Cornwallis Rd, Research Triangle Park, NC 27709, United States., Lindstrom M; RTI International, 3040 Cornwallis Rd, Research Triangle Park, NC 27709, United States., Saunders ME; RTI International, 3040 Cornwallis Rd, Research Triangle Park, NC 27709, United States., LaKosky P; North American Syringe Exchange Network, 535 Dock Street, Suite 113, Tacoma, WA 98402, United States., Kral AH; RTI International, 3040 Cornwallis Rd, Research Triangle Park, NC 27709, United States., Lambdin BH; RTI International, 3040 Cornwallis Rd, Research Triangle Park, NC 27709, United States. |