Alignment in post-approval changes (PAC) guidelines in emerging countries may increase timely access to vaccines: An illustrative assessment by manufacturers oleh Nora Dellepiane, Sonia Pagliusi, Prashant Akut, Sebastian Comellas, Norbert De Clercq, Shubhangi Ghadge, Thierry Gastineau, Mic McGoldrick, Ida Nurnaeni, Lorenz Scheppler