1. CNR-IAS, Lungomare Cristoforo Colombo 4521, 90149 Palermo, Italy
2. OGS, Via Beirut 2, 34151 Trieste, Italy
3. NBFC, National Biodiversity Future Center, 90133 Palermo, Italy
4. Stazione Zoologica Anton Dohrn, Lungomare Cristoforo Colombo 4521, 90149 Palermo, Italy
5. CNR-IAS, Via del Mare 3, 91021 Campobello di Mazara, Italy
6. CNR-IRBIM, Via Luigi Vaccara 61, 91026 Mazara del Vallo, Italy
7. CNR-IRBIM, Via San Ranieri 86, 98122 Messina, Italy
8. Stazione Zoologica Anton Dohrn, Villa Comunale, 80121 Napoli, Italy
9. CNR-IAS, Via Giovanni da Verrazzano 17, 91014 Castellammare del Golfo, Italy