Sun, Lei; Wallach, Geraldine P.
Department of Communicative Disorders, California State University, Long Beach.
Corresponding Author: Geraldine P. Wallach, PhD, CCC-SLP, Department of Communicative Disorders, California State University, Long Beach, CSULB 1250 Bellflower Blvd, Long Beach, CA 90840 ([email protected]).
The authors thank Dr. Joel Stark, the “Father” of LLD, for his inspiration and support and for suggesting the title for this article.
The authors have indicated that they have no financial and no nonfinancial relationships to disclose.