A letter to editor - Critical appraisal on "Determining the cost-effectiveness of follitropin alfa biosimilar compared to follitropin alfa originator in women undergoing fertility treatment in France." - Juan-Enrique Schwarze; Vivek Chaudhari; Susana Montenegro; Claire Castello-Bridoux; Cristina Masseria; Claudia Roeder (Elsevier, 2024)