1. Departments of DermatologyUniversity of Texas Medical BranchGalvestonTexas77555USA
2. Microbiology and ImmunologyUniversity of Texas Medical BranchGalvestonTexas77555USA
3. PathologyUniversity of Texas Medical BranchGalvestonTexas77555USA
4. Basic Research LaboratoryKanebo Ltd.OdawaraKanagawa250‐0002Japan
5. Human Biological Chemistry and GeneticsUniversity of Texas Medical BranchGalvestonTexas77555USA