function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Baquero, Enrique & Potapov, Mikhail & Jordana, Rafael', 1],
    ['Jantarit, Sopark & Bedos, Anne & Deharveng, Louis', 3],
    ['Jia, Shao-Bo & Zhang, Yu-Ping & Zhao, Yan & Jordana, Rafael', 2],
    ['Jing, Mei-Dong & Ma, Yi-Tong', 2],
    ['Jing, Mei-dong & Ma, Yi-tong', 4],
    ['Ma, Yi-Tong & Pan, Zhi-Xiang', 1],
    ['Nguyen, Anh T. T. & Thuy, Kim N. & Arbea, Javier I.', 7],
    ['Pan, Zhi-Xiang', 3],
    ['Pan, Zhi-Xiang & Ma, Yi-Tong', 2],
    ['Pan, Zhi-Xiang & Yang, Wan-Qin', 2],
    ['Pan, Zhi-Xiang & Zhang, Feng & Li, You-Bang', 2],
    ['Pan, Zhi-xiang & Shi, Shi-di & Zhang, Feng', 1],
    ['Shi, Shi-Di & Pan, Zhi-Xiang & Qi, Xin', 1],
    ['Shi, Shi-Di & Pan, Zhi-Xiang & Zhang, Feng', 2],
    ['Zhou, Rong & Ma, Yitong', 2],
    ['Other (1)', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=36)',
    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);