Prof. Chao gave a talk with title, “Mathematical Derivation, Circuits Design and Clinical Experiments of Measuring Blood Flow Volume (BFV) at Arteriovenous Fistula (AVF) of Hemodialysis (HD) Patients Using a Newly-Developed Photoplethysmography (PPG) Sensor,” at 2018 IEEE ISQED Conference, Santa Clara, California, USA on 14^th of March, 2018. Attendees: 20.