function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Babenko, Anatoly & Stebaeva, Sophya & Turnbull, Matthew S.', 4],
    ['Bendjaballah, Mohamed & Zoughailech, Abdelmalek', 3],
    ['Beruete, Enrique & Arbea, Javier I. & Baquero, Enrique', 8],
    ['Brahim-Bounab, Hayette & Bendjaballah, Mohamed', 2],
    ['Jantarit, Sopark & Bedos, Anne & Deharveng, Louis', 1],
    ['Kaprus\', Igor & Weiner, Wanda & Pasnik, Grzegorz', 8],
    ['Kaprus’, Igor & Shayanmehr, Masoumeh & Kahrarian, Morteza', 1],
    ['Mayvan, Mahmood Mehrafrooz & Greenslade, Penelope', 14],
    ['Parimuchová, Andrea & Kováč, Ľubomír', 3],
    ['Sun, Xin & Chang, Liang & Wu, Donghui', 4],
    ['Sun, Xin & Wu, Donghui & Gao, Meixiang', 3],
    ['Sun, Xin & Zhang, Bing & Wu, Donghui', 3],
    ['Thibaud, Jean-Marc', 10],
    ['Thunnisa, Abu Muhsina & Arbea, Javier Ignacio', 2],
    ['Yahyapour, Eliye & Shayanmehr, Masoumeh', 4],
    ['Other (3)', 3]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=73)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 16, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);