PEAK1 and nodular goiter: One patient (1/3) was positive PEAK1 expression in the subacute thyroiditis tissues (Figures 1E,F), five patients (5/10) were positive PEAK1 expression in the Hashimoto’s Thyroiditis (Figures 1G,H), four patients (4/9) were positive PEAK1 expression in the nodular goiter (Figures 1I,J) and 13 patients (13/26) were positive PEAK1 expression in the normal thyroid tissues (Figures 1K,L).