function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Figueroa, Alex & Low, Martyn E. Y. & Lim, Kelvin K. P.', 1],
    ['Fukuyama, Ryobu & Fukuyama, Ibuki & Kurita, Takaki', 1],
    ['Guo, Peng & Zhu, Fei & Liu, Qin & Zhang, Liang & Li, Jian X.', 1],
    ['Hauser, Sjon & Smits, Ton & David, Patrick', 2],
    ['Li, Mao-Liang & Ren, Jin-Long & Huang, Jun-Jie & Lyu, Zhi-Tong', 2],
    ['Liu, Qin & Zhong, Guang-Hui & Wang, Ping & Liu, Yang & Guo, Peng', 1],
    ['Purkayastha, Jayaditya & David, Patrick', 1],
    ['Ren, Jin-Long & Wang, Kai & Nguyen, Tao Thien & Hoang, Chung Van', 1],
    ['Xu, Yu-Hao & Yang, Dian-Cheng & Gong, Yan-An & Wu, Jia-Xiang', 1],
    ['Zhou, Zhengyan & Sun, Zhiyong & Qi, Shuo & Lu, Yuyan', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=12)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 10, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);