Ryang, Chol Song
Han, Chol Su
Sim, Kyong Ho
Kim, Tae Myong
Article History
Received: 9 July 2025
Revised: 24 July 2025
Accepted: 28 August 2025
First Online: 22 October 2025
CONFLICT OF INTEREST
: The authors of this work declare that they have no conflicts of interest.