function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Alhadi, Farits & Hamidy, Amir & Farajallah, Achmad', 1],
    ['Badli-Sham, Baizul Hafsyam & Syafiq, Muhamad Fatihah', 1],
    ['Figueroa, Alex & Low, Martyn E. Y. & Lim, Kelvin K. P.', 2],
    ['Hakim, Jonathan & Trageser, Scott J. & Ghose, Animesh', 1],
    ['Liu, Shuo & Hou, Mian & Mo, Mingzhong & Rao, Dingqi', 1],
    ['Liu, Shuo & Yang, Bin & Wang, Qianyan & Hou, Mian', 1],
    ['Nguyen, Tan Van & Liu, Shuo & Tran, Vy The & Tran, Thinh Gia', 1],
    ['Poyarkov, Nikolay A. & Nguyen, Tan Van & Duong, Tang Van', 1],
    ['Sankar, Ananthanarayanan & Law, Ingg Thong & Law, Ing Sind', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=10)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 9, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);