1. Department of Chemistry IFM and Molecular Imaging Center, University of Torino, Via P. Giuria 7, I-10125 Torino, Italy
2. Dipartimento di Scienze dell'Ambiente e della Vita, Università del Piemonte Orientale “Amedeo Avogadro”, Viale T. Michel 11, I-15121 Alessandria, Italy
3. Department of Inorganic and Analytical Chemistry, University of Debrecen, P.O. Box 21, Egyetem tér 1, Debrecen H-4010, Hungary
4. Department of Chemistry, University of Minnesota, 207 Pleasant Street S.E., Minneapolis, Minnesota 55455, United States
5. Department of Chemistry, Portland State University, 1719 SW 10th Avenue, Portland, Oregon 97201, United States
6. Advanced Imaging Research Center, Oregon Health & Science University, 3181 SW Sam Jackson Park Road, L485, Portland, Oregon 97239, United States