function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Boruah, Bitupan & Deepak, V. & Patel, Naitik G.', 1],
    ['Jennifer Egert & Vinh Quang Luu & Truong Quang Nguyen', 1],
    ['Lorphengsy, Sengvilay & Nguyen, Tan Van & Poyarkov, Nikolay A.', 2],
    ['Luong, Anh Mai & Do, Quyen Hanh & Hoang, Chung Van', 1],
    ['Mo, Yunming & Zhang, Wei & Luo, Yu & Zhou, Shichu & Chen, Weicai', 1],
    ['Rowley, Jodi J. L. & Dau, Vinh Quang & Nguyen, Tao Thien', 1],
    ['Rowley, Jodi J. L. & Le, Duong Thi Thuy & Dau, Vinh Quang', 1],
    ['Rowley, Jodi J. L. & Le, Duong Thi Thuy & Hoang, Huy Duc', 1],
    ['Wang, Jian & Zeng, Zhao-Chi & Lyu, Zhi-Tong & Liu, Zu-Yao', 1],
    ['Yu, Guohua & Hui, Hong & Wang, Jian & Rao, Dingqi & Wu, Zhengjun', 1],
    ['Zeng, Zhao-Chi & Zhao, Jian & Chen, Chun-Quan & Chen, Guo-Ling', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=12)',
    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);