function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Andréfouët, Serge & Chen, Wei-Jen & Kinch, Jeff & Mana, Ralph', 2],
    ['Chen, I-Shiung & Tan, Heok Hui', 1],
    ['Herre, Albert W. C. T.', 1],
    ['Ho, Hsuan-Ching & Shao, Kwang-Tsao', 1],
    ['Keith, Philippe & Marquet, Gérard & Pouilly, Marc', 2],
    ['Kunishima, Taiga & Tanaka, Ryosuke & Hirashima, Kentarou', 1],
    ['Maeda, Ken & Palla, Herminie P.', 1],
    ['Maeda, Ken & Tan, Heok Hui', 3],
    ['Maeda, Ken & Tran, Hau Duc & Tan, Heok Hui', 1],
    ['Watson, Ronald E.', 5],
    ['Watson, Ronald E. & Allen, Gerald R. Dr. & Kottelat, Maurice', 1],
    ['Watson, Ronald E. & Chen, I. - S.', 2],
    ['Watson, Ronald E. & Keith, P. & Marquet, G.', 1],
    ['Watson, Ronald E. & Kottelat, Maurice', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=24)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 14, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);