Towards a European harmonization of health technology assessment recommendations executive paper of European regulatory conference focused on the EU commission proposal to harmonize HTA - Gozzo, Lucia; Paterson, Kenneth; Wong, Olivier; Megerlin, Francis; Geldmacher, Jan; Popoli, Patrizia; Jommi, Claudio; Fricke, Frank-Ulrich; De Solà-Morales, Oriol; Kamae, Isao; Rasi, Guido; Drago, Filippo (Frontiers in Drug Safety and Regulation, 2022)