function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Andrade, Tamires de O. & Ramos, Kelli S. & Onody, Helena C.', 3],
    ['Arens, W.', 1],
    ['Ebrahimi, Ebrahim & Carpenter, James M.', 1],
    ['Fateryga, Alexander V. & Mokrousov, Mikhail V.', 1],
    ['Gawas, Sandesh M. & Kumar, Girish & Pannure, Arati', 3],
    ['Gusenleitner, J.', 2],
    ['Nguyen, Lien Thi Phuong', 3],
    ['Pannure, Arati & Belavadi, Vasuki V. & Carpenter, James M.', 1],
    ['Pannure, Arati & Carpenter, James M.', 2],
    ['Wang, Hua-Chuan & Chen, Bin & Li, Ting-Jing', 2],
    ['Yildirim, Erol & Gusenleitner, Josef', 1],
    ['Zhou, Xin & Chen, Bin & Li, Ting-jing', 3]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=23)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 12, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);