1. Department of Chemistry and Biochemistry, Utah State University, 0300 Old Main Hill, Logan, Utah 84322-0300, United States
2. Department of Pharmaceutical Chemistry, College of Pharmacy, University of Basra, Basra, Iraq
3. Department of Cell Physiology and Molecular Biophysics, and Center for Membrane Protein Research, Texas Tech University Health Sciences Center, Lubbock, Texas 79430-6551, United States
4. Honors College, McClellan Hall, Box 41017, Texas Tech University, Lubbock, Texas 79409-1017, United States