Conception and design: Shahar, Lavon. Acquisition of data: Shahar, Shapira, Zelikovich, Jossiphov, Kanner, Blumenthal, Lavon. Analysis and interpretation of data: Shahar, Zelikovich, Jossiphov, Kanner, Siegal, Blumenthal, Lavon. Drafting the article: Shahar, Rozovski. Critically revising the article: all authors. Reviewed submitted version of manuscript: all authors. Approved the final version of the manuscript on behalf of all authors: Ram. Administrative/technical/material support: Ram, Shahar, Shapira, Kanner, Siegal, Blumenthal, Lavon. Study supervision: Ram, Shahar.