Standards of diagnostic colonoscopy for early‐stage neoplasia: Recommendations by an Asian private group by Sano, Yasushi, Chiu, Han‐Mo, Li, Xiao‐bo, Khomvilai, Supakij, Pisespongsa, Pises, Co, Jonard Tan, Kawamura, Takuji, Kobayashi, Nozomu, Tanaka, Shinji, Hewett, David G., Takeuchi, Yoji, Imai, Kenichiro, Utsumi, Takahiro, Teramoto, Akira, Hirata, Daizen, Iwatate, Mineo, Singh, Rajvinder, Ng, Siew C., Ho, Shiaw Hooi, Chiu, Philip, Tajiri, Hisao