Physiol. meas. Physiol. meas. The 2023 wearable photoplethysmography roadmap Charlton Peter H Allen John Bailon Raquel Universidad de Zaragoza Baker Stephanie Behar Joachim A Chen Fei Clifford Gari D Clifton David A Davies Harry J Ding Cheng Ding Xiaorong Dunn Jessilyn Elgendi Mohamed Ferdoushi Munia Franklin Daniel Gil Eduardo Universidad de Zaragoza Hassan Md Farhad Hernesniemi Jussi Hu Xiao Ji Nan Khan Yasser Kontaxis Spyridon Universidad de Zaragoza Korhonen Ilkka Kyriacou Panayiotis A Laguna Pablo Universidad de Zaragoza Lazaro Jesus Universidad de Zaragoza Lee Chungkeun Levy Jeremy Li Yumin Liu Chengyu Liu Jing Lu Lei Mandic Danilo P Marozas Vaidotas Mejía-Mejía Elisa Mukkamala Ramakrishna Nitzan Meir Pereira Tânia Poon Carmen C Y Ramella-Roman Jessica C Saarinen Harri Shandhi Md Mobashir Hasan Shin Hangsik Stansby Gerard Tamura Toshiyo Vehkaoja Antti Wang Will Ke Zhang Yuan-Ting Zhao Ni Zheng Dingchang Zhu Tingting 2023 research-article