Explant rates of neuromodulation devices: supplemental information—reply to Mukhdomi and Harris. Issue 8 (7th January 2021) - Al-Kaisy, Adnan; Royds, Jonathan; Al-Kaisy, Omar; Palmisani, Stefano; Pang, David; Smith, Tom; Padfield, Nicholas; Harris, Stephany; Wesley, Samuel; Yearwood, Thomas Lamar; Ward, Stephen