function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Brackett, Sterling', 4],
    ['Bullard, Stephen A. & Snyder, Scott D. & Jensen, Kirsten', 1],
    ['Byrd, Elon E.', 1],
    ['Cobbold, Thomas S.', 1],
    ['Ejsmont, L.', 1],
    ['Fischthal, Jacob H. & Kuntz, Robert E', 1],
    ['González-Acuña, Daniel & Moreno, Lucila & Cicchino, Armando', 1],
    ['Goto, Seitaro & Ozaki, Yoshimasa', 1],
    ['Haderlie, E. C.', 1],
    ['Harley, John', 1],
    ['Kaw, B. L.', 1],
    ['Kolarova, Libuse & Rudolfova, Jitka & Hampl, Vladimír', 1],
    ['Kowalewski, M.', 1],
    ['Le Roux, Philippus Lodewicus', 1],
    ['Sonsino, P.', 2],
    ['Other (8)', 8]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=27)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 16, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);