PT - JOURNAL ARTICLE AU - Mathias Opperer AU - Reinhard Kaufmann AU - Matthias Meissnitzer AU - Florian K Enzmann AU - Christian Dinges AU - Wolfgang Hitzl AU - Jürgen Nawratil AU - Andreas Koköfer TI - In reply to the letter to the editor by Wang <em>et al</em> AID - 10.1136/rapm-2022-103715 DP - 2022 Jun 14 TA - Regional Anesthesia &amp; Pain Medicine PG - rapm-2022-103715 4099 - http://rapm.bmj.com/content/early/2022/06/14/rapm-2022-103715.short 4100 - http://rapm.bmj.com/content/early/2022/06/14/rapm-2022-103715.full