The Promise of Large Language Models in Digital Health: Evidence from Sentiment Analysis in Online Health Communities. - Xiancheng Li; Georgios D. Karampatakis; Helen E. Wood; Chris J. Griffiths; Borislava Mihaylova; Neil S. Coulson; Alessio Pasinato; Pietro Panzarasa; Marco Viviani; Anna De Simoni (CoRR, 2025)