function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Angulo, Arturo & López, Myrna I. & Bussing, William A.', 1],
    ['Bariche, Michel & Fricke, Ronald', 1],
    ['Carneiro, Miguel & Martins, Rogélia & Landi, Monica', 1],
    ['Collett, R.', 1],
    ['Ebert, David A. & Krajangdara, Tassapon & Fahmi', 1],
    ['Ebert, David A. & White, William T. & Ho, Hsuan-Ching', 1],
    ['Ebert, David A. & Wintner, Sabine P. & Kyne, Peter M.', 2],
    ['Finucci, Brittany & White, William T. & Kemper, Jenny M.', 1],
    ['Goren, Menachem & Galil, Bella S.', 1],
    ['Kemper, Jenny M.', 4],
    ['Kemper, Jenny M. & Ebert, David A. & Compagno, Leonard J. V.', 1],
    ['Linnaeus, Carolus', 3],
    ['Nurettin Meriç & Lütfiye Eryilmaz & Müfit Özulug', 1],
    ['Smith, Moya & Manzanares, Esther & Underwood, Charlie', 1],
    ['Straube, Nicolas & White, William T. & Ho, Hsuan-Ching', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=21)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 15, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);