Response to the letter to the editor on "an indirect treatment comparison of the efficacy of patisiran and tafamidis for the treatment of hereditary transthyretin-mediated amyloidosis with polyneuropathy". (13th August 2019) - Lin, Hollis; Agarwal, Sonalee; Betts, Marissa; Fahrbach, Kyle; Chitnis, Madhura; Polydefkis, Michael