1. Department of Biochemistry and
Biophysics and Program in Molecular and Cellular Biophysics, CB #7260, University of North Carolina at Chapel Hill, Chapel
Hill, North Carolina 27599-7260, United States
2. Laboratory of Biophysics (EPR
center), Jozef Stefan Institute, Jamova
39, 1000 Ljubljana, Slovenia
3. Department of Biochemistry and
Molecular Biology, Saint Louis University School of Medicine, Saint Louis, Missouri 63104, United States