function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Chen 1, Zhongzheng & Hu, Tingli & Pei, Xiaoxin & Yang, Guangdao', 1],
    ['Denys, Christiane & Jacquet, François & Kadjo, Blaise', 1],
    ['Mora, José Manuel & Ruedas, Luis A.', 1],
    ['Pei, Xiaoxin & Chen, Zhongzheng & Li, Quan & Li, Xueyou', 1],
    ['Ren, Xueyang & Xu, Yifan & Li, Yixian & Yao, Hongfeng & Fang, Yi', 1],
    ['Shi, Zifan & Yao, Hongfeng & He, Kai & Bai, Weipeng', 1],
    ['Silcox, Mary T. & Bloch, Jonathan I. & Boyer, Doug M.', 1],
    ['Tesakov, Alexey S. & Titov, Vadim V. & Simakova, Alexandra N.', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=8)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 8, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);