Before revision: Further reading Tabuchi, T., Nakayama, T., Fukushima, W., Matsunaga, I., Ohfuji, S., Kondo, K., ... & Oshima, A.
After revision: ReferencesFurther reading Tabuchi, T., Nakayama, T., Fukushima, W., Matsunaga, I., Ohfuji, S., Kondo, K., ... & Oshima, A.