This author has not been identified. Look up 'Roland Ryf' in GoogleThis author has not been identified. Look up 'Juan Carlos Alvarado-Zacarias' in GoogleThis author has not been identified. Look up 'Steffen Wittek' in GoogleThis author has not been identified. Look up 'Nicolas K. Fontaine' in GoogleThis author has not been identified. Look up 'René-Jean Essiambre' in GoogleThis author has not been identified. Look up 'Haoshuo Chen' in GoogleThis author has not been identified. Look up 'Rodrigo Amezcua Correa' in GoogleThis author has not been identified. Look up 'Hirotaka Sakuma' in GoogleThis author has not been identified. Look up 'Tetsuya Hayashi' in GoogleThis author has not been identified. Look up 'Takemi Hasegawa' in Google