Alex DmitrienkoAlex Dmitrienko, PhD, is Founder and President of Mediana Inc. He is actively involved in biostatistical research with an emphasis on multiplicity issues in clinical trials, subgroup analysis, innovative trial designs, and clinical trial optimization Dr. Dmitrienko coauthored the first edition of Analysis of Clinical Trials Using SAS (R) A Practical Guide, and he coedited Pharmaceutical Statistics Using SAS (R) A Practical Guide. Read More Read Less