function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Aonuma, Y. & Chen, I. - S.', 2],
    ['Chen, I-Shiung & Kottelat, Maurice', 7],
    ['Chen, I-Shiung & Wang, Shen-Chih & Chen, Kwang-Yiao', 9],
    ['Chen, I-Shiung & Wang, Shen-Chih & Shao, Kwang-Tsao', 12],
    ['Chen, I. - S. & Kottelat, Maurice', 2],
    ['Chen, I. - S. & Kottelat, Maurice & Miller, Peter J.', 2],
    ['Chen, I. - S. & Miller, Peter J. & Wu, H. - L. & Fang, L. - S.', 3],
    ['Endruweit, Marco', 4],
    ['Herre, Albert W. C. T.', 5],
    ['Ho, Hsuan-Ching & Shao, Kwang-Tsao', 9],
    ['Jordan, David Starr & Seale, A.', 4],
    ['Oshima, M.', 4],
    ['SUƶU, Toshiyuki & Kƚ, Seishi', 3],
    ['Suzuki, Toshiyuki & Oseko, Naoharu & Yamasaki, Yo Y.', 3],
    ['Wang, Shen-Chih & Chen, I-Shiung', 7],
    ['Other (27)', 35]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=111)',
    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);