Yoo, Young-Sik
Whang, Woong-Joo
Kang, Min-Ji
Hwang, Je-Hyung
Byun, Yong-Soo https://orcid.org/0000-0002-7264-0723
Yoon, Geunyoung
Shin, Sungwon
Jung, Woonggyu
Moon, Sucbei
Joo, Choun-Ki
Funding for this research was provided by:
Ministry of Trade, Industry and Energy (10047943, 10047943, 10047943, 10047943, 10047943, 10047943, 10047943)
National Research Foundation of Korea (2016R1A6A1A03010528, 2016R1A6A1A03010528, 2016R1A6A1A03010528, 2016R1A6A1A03010528, 2016R1A6A1A03010528)
Article History
Received: 24 April 2018
Accepted: 19 November 2018
First Online: 7 March 2019
Competing Interests
: The patent interest for the depth-sensing needle used in this study belongs to Yoo, Moon, and Joo. There is no conflict of interest to declare, except the patent interest.