function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Babenko, Anatoly & Stebaeva, Sophya & Turnbull, Matthew S.', 5],
    ['Bendjaballah, Mohamed & Zoughailech, Abdelmalek', 2],
    ['Bernard, Ernest C.', 1],
    ['Brahim-Bounab, Hayette & Bendjaballah, Mohamed', 2],
    ['Eusébio, Rita & Sendra, Alberto & Enghoff, Henrik', 1],
    ['Greenslade, Penelope', 1],
    ['Jantarit, Sopark & Bedos, Anne & Deharveng, Louis', 3],
    ['Mayvan, Mahmood Mehrafrooz & Greenslade, Penelope', 7],
    ['Nguyen, Anh T. T. & Thuy, Kim N. & Arbea, Javier I.', 5],
    ['Palacios-Vargas, José G. & Vacaflores-Argandoña, Ma. René', 2],
    ['Stebaeva, Sophya & Lonsdale, Owen & Babenko, Anatoly', 1],
    ['Telfer, Angela C & Young, Monica R & Quinn, Jenna & Perez, Kate', 1],
    ['Thibaud, Jean-Marc', 9]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=40)',
    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);