By the 1950s, as the world's leading authority on the subject, he declared that he had seen less than 150 true cases of his syndrome while fielding referrals from as far away as South Africa.
Nos anos cincuenta, xa como experto mundial na materia, declarou que non vira nin 150 casos verdadeiros da "súa" síndrome, aínda que atendera pacientes derivados mesmo dende Suráfrica.