function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Aureglia, Louis & Guy, Jean-Baptiste & Deschamps-Cottin, Magali', 2],
    ['Breure, Abraham S. H. & Ablett, Jonathan D.', 3],
    ['Cooke, C. Montague', 4],
    ['Friis, Else Marie & Crane, Peter R. & Pedersen, Kaj Raunsgaard', 2],
    ['Green, J.', 2],
    ['Inkhavilay, Khamla & Sutcharit, Chirasak & Bantaowong, Ueangfa', 10],
    ['Lee, Jie Ying & Nasir, Nurul Syafiqah', 2],
    ['Marzuki, Mohammad Effendi bin & Liew, Thor-Seng', 5],
    ['McGhie, Henry', 4],
    ['Muratov, Igor V.', 26],
    ['Neubert, Eike & Damme, Dirk van', 3],
    ['Pfeiffer, L.', 4],
    ['Rowson, B & Warren, B. H. & Ngereza, C. F.', 9],
    ['Résumé, Jacques Daget', 12],
    ['de Lima, Marcos Silva & Silva, Fernanda dos Santos', 5],
    ['Other (17)', 22]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=115)',
    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);