Combining randomized and non‐randomized data to predict heterogeneous effects of competing treatments. - Chalkou, Konstantina; Hamza, Tasnim; Benkert, Pascal; Kuhle, Jens; Zecca, Chiara; Simoneau, Gabrielle; Pellegrini, Fabio; Manca, Andrea; Egger, Matthias; Salanti, Georgia (Research Synthesis Methods, 2024)