Dear Professors, Drs Dayi Hu, Yanzong Yang, and Changsheng Ma, dear Chinese colleagues     The International Society for Holter and NonInvasive Electrocardiology (ISHNE), pioneer in distance cardiology education through the Internet, is proud to once again, to start the sessions of the Second WorldWide ISHNE Online Symposium on Atrial Fibrillation.      We are pleased to invite Drs Dayi Hu, Yanzong Yang, and Changsheng Ma to co-chair, and have this press release for the upcoming Online Atrial Fibrillation Symposium on behalf of ISHNE.     We are sure that we will offer a different, interactive conference with a very high scientific level. This time we have Dr John Camm, a world-ren