636efd4f9aeb5781e9ea815cdd633e52-AuthorFeedback.pdf

We thank the reviewers for their helpful comments. Wewillcollecttheminthe31 text, and we note them here for clarity. We further clarify thatany optimization method (stochastic or exact; with or36 without early stopping; etc.) may be used to obtain the initial fitˆΘfor input to Algorithm 1.