function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Badli-Sham, Baizul Hafsyam & Syafiq, Muhamad Fatihah', 1],
    ['Lalronunga, Samuel & Lalhmingliani, Esther', 1],
    ['Messenger, Kevin R. & Othman, Siti N. & Chuang, Ming-Feng', 1],
    ['Nguyen, Tan Van & Duong, Tang Van & Luu, Kien Trung', 1],
    ['Nguyen, Tao Thien & Matsui, Masafumi & Duc, Hoang Minh', 1],
    ['Wu, Shu-Ping & Huang, Chuan-Chin & Tsai, Chi-Li & Lin, Te-En', 2],
    ['Yu, Guohua & Hui, Hong & Rao, Dingqi & Yang, Junxing', 2],
    ['Yu, Guohua & Wang, Jishan & Hou, Mian & Rao, Dingqi', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=10)',
    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);