[1] Ctr Apheresis & Regenerat Med, Little Rock, AR USA
[2] Univ Arkansas Med Sci, Dept Pathol & Lab Med, Little Rock, AR USA
[3] Columbia Univ, Dept Pathol & Cell Biol, Irving Med Ctr, New York, NY USA
[4] Vanderbilt Univ, Med Ctr, Dept Pathol Microbiol & Immunol, Nashville, TN USA
[5] Univ Texas Southwestern Med Ctr, Dept Pathol, Dallas, TX USA
[6] 15300 Kanis Rd, Little Rock, AR 72223 USA