function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['BAIN, RAOUL H. & TRUONG, NGUYEN QUANG', 1],
    ['Badli-Sham, Baizul Hafsyam & Syafiq, Muhamad Fatihah', 2],
    ['Bain, Raoul H. & Nguyen, Truong Q. & Doan, Kien V.', 1],
    ['Chen, Weicai & Liao, Xiaowen & Zhou, Shichu & Mo, Yunming', 1],
    ['Figueroa, Alex & Low, Martyn E. Y. & Lim, Kelvin K. P.', 1],
    ['Gawor, Anna & Chapuis, Simone & Pham, Cuong The', 2],
    ['Hakim, Jonathan & Trageser, Scott J. & Ghose, Animesh', 1],
    ['Liu, Shuo & Hou, Mian & Fan, Yi & Mo, Mingzhong & Rao, Dingqi', 1],
    ['Miracle, Eulàlia Gassó & Van, Lars W. & Ostende, Den Hoek', 1],
    ['Nguyen, Truong Quang & Pham, Cuong The & Nguyen, Tao Thien', 1],
    ['Ninh, Hoa Thi & Nguyen, Tao Thien & Nguyen, Huy Quoc', 1],
    ['Rowley, Jodi J. L. & Le, Duong Thi Thuy & Hoang, Huy Duc', 2],
    ['Sivongxay, Niane & Davankham, Monekham', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=16)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 13, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);