function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Decae, Arthur E. & Schwendinger, Peter J.', 1],
    ['Echeverri, Mariana & Gomez Torres, Sebastian & Pinel, Nicolas', 1],
    ['Godwin, Rebecca L. & Bond, Jason E.', 48],
    ['Kurczewski, Frank E. & West, Rick C. & Waichert, Cecilia', 1],
    ['Lin, Ye-Jie & Yu, Linrui & Yan, Xunyou & Li, Shuqiang', 1],
    ['Lin, Yejie & Li, Shuqiang & Pham, Dinh-Sac', 2],
    ['Lin, Yejie & Zhao, Huifeng & Koh, Joseph K H & Li, Shuqiang', 2],
    ['Liu, Hao & Xu, Xin & Zhang, Zengtao & Liu, Fengxing & Li, Daiqin', 5],
    ['Santos, Gabriel De Los & Ortiz, David & Sánchez-Ruiz, Alexander', 1],
    ['Yu, Kun & Li, Changze & Zhang, Shuyuan & Zhang, Feng', 1],
    ['Zhang, Shu-Yuan & Wang, Cheng-Bin', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=65)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 11, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);