function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Babenko, Anatoly & Stebaeva, Sophya & Turnbull, Matthew S.', 2],
    ['Bendjaballah, Mohamed & Zoughailech, Abdelmalek', 1],
    ['Brahim-Bounab, Hayette & Bendjaballah, Mohamed', 1],
    ['Jantarit, Sopark & Bedos, Anne & Deharveng, Louis', 2],
    ['Mayvan, Mahmood Mehrafrooz & Greenslade, Penelope', 4],
    ['Nguyen, Anh T. T. & Thuy, Kim N. & Arbea, Javier I.', 2],
    ['Panina, Kseniya & Babenko, Anatoly & Potapov, Mikhail', 2],
    ['Papáč, Vladimír & Kováč, Ľubomír', 5],
    ['Papáč, Vladimír & Raschmanová, Natália & Kováč, Ľubomír', 2],
    ['Schneider, Clement & Porco, David & Deharveng, Louis', 2],
    ['Schneider, Clément', 5],
    ['Schneider, Clément & Minor, Maria A. & D’Haese, Cyrille A.', 5],
    ['Schneider, Clément & Panina, Ksenia', 4],
    ['Thibaud, Jean-Marc', 5],
    ['Willem, Victor', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=43)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 15, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);