Premonitory phase in primary headaches: shared and divergent mechanisms in migraine and cluster headache, the Junior Editorial Board Members' vision. - Wu, Jr-Wei; Al-Hassany, Linda; Castaldo, Matteo; Chiang, Chia-Chun; Labastida-Ramirez, Alejandro; Messina, Roberta; Pan, Li-Ling Hope; Vuralli, Doga; Wells-Gatnik, William; Yener, Sophie Merve; Rubio-Beltrán, Eloísa (Journal of Headache & Pain, 2026)