function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Ahmad, Roland Putra Pribadi & Rahayu, Sri & Rodda, Michele', 2],
    ['Blume, Carl Ludwig von', 1],
    ['Cabactulan, Derek D. & Rodda, Michele & Pimentel, Reynold', 1],
    ['De Leon, Miguel David & Cabactulan, Derek & Cuerdo, Ryu D.', 1],
    ['Forster, Paul Irwin & Liddle, David J.', 1],
    ['Huang, Er-Feng & Yao, Gang & Jiang, Ri-Hong & Yang, Lei-Lei', 1],
    ['Kidyoo, Manit', 3],
    ['Lin, Yun & Bi, Hai-Yan & Sun, Jun & Sun, Qian', 6],
    ['Nguyen, Van Canh & Averyanov, Leonid V. & Nguyen, Quoc Bao', 3],
    ['Norman, Johannes Musaeus', 2],
    ['Rahayu, Sri & Rodda, Michele', 41],
    ['Rodda, Michele', 2],
    ['Rodda, Michele & Ercole, Enrico', 1],
    ['Rodda, Michele & Juhonewe, Nadhanielle Simonsson', 2],
    ['Schlechter, Fridrich Richard Rudolf', 31],
    ['Other (2)', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=100)',
    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);