1. Dipartimento Biotecnologie, Chimica e Farmacia, Università degli Studi di Siena, Via A. De Gasperi 2, I-53100 Siena, Italy
2. Istituto di Genetica Molecolare, IGM-CNR, Via Abbiategrasso 207, I-27100 Pavia, Italy
3. Biotechnology College of Science and Technology, Temple University, Biolife
Science Building, Suite 333, 1900 N 12th Street, Philadelphia, Pennsylvania 19122, United States