function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Chen, Ye & Li, Cheng-De', 16],
    ['Dale-Skey, Natalie & Askew, Richard R. & Noyes, John S.', 108],
    ['Geng, Hui & Li, Cheng-De', 15],
    ['Hayat, Mohammad', 21],
    ['Japoshvili, George & Hansen, Lars Ove', 9],
    ['Lopes, Thomas & Libert, Pierre-Nicolas & Starý, Petr', 9],
    ['Madl, Michael & W, Coccophagus', 34],
    ['Mottern, Jason L. & Heraty, John M.', 9],
    ['Schmidt, Stefan & Polaszek, Andrew', 96],
    ['Shih, Yuan-Tung & Ko, Chiun-Cheng & Polaszek, Andrew', 17],
    ['Suh, Soo-Jung', 10],
    ['Swezey, O. H.', 12],
    ['Walker, Francis', 19],
    ['Wang, Zhu Hong & Huang, Jian & Pan, Dong Ming', 17],
    ['Wang, Zhu-Hong & Huang, Jian & Polaszek, Andrew', 10],
    ['Other (63)', 155]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=557)',
    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);