1. Department of Chemistry; Wayne State University; Detroit MI 48202 USA
2. Department of Chemistry & Biochemistry; University of the Sciences; Philadelphia PA 19104 USA
3. MSTM LLC; Newark; DE 19711 USA
4. M&M Mass Spec Consulting; LLC; Harbeson DE 19951 USA
5. Cardiovascular Research Institute; Wayne State University School of Medicine; Detroit MI 48202 USA