1. AL.CHI.MI.A. Srl,
2. Alcon Inc.
3. Bausch Health Companies Inc.
4. Carl Zeiss Meditec AG
5. CROMA-PHARMA GmbH
6. D.O.R.C. Dutch Ophthalmic Research Center (International) B.V.
7. Fluoron GmbH
8. Novartis AG
9. Valeant Pharmaceuticals International Inc.