1. A. N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, ul. Vavilova 28, 119991 Moscow, Russian Federation, http://www.ineos.ac.ru/en
2. Dipartimento di Biotecnologie Chimica e Farmacia, Università di Siena, Via A. Moro 2, 53100 Siena, Italy, http://www.dbcf.unisi.it/en