function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Don E. Wilson & Russell A. Mittermeier', 18],
    ['Gagnaison, Cyril & Guevel, Bruno & Xerri, Serge', 2],
    ['Ginsburg, Léonard & Cheneval, Jacques & Janvier, Philippe', 2],
    ['Hou, Sukuan & Deng, Tao', 2],
    ['James H. Honacki & Kenneth E. Kinman & James W. Koeppl', 14],
    ['Jo, Yeong-Seok & Baccus, John T. & Koprowski, John L.', 3],
    ['Kazim, Abdul-Rahman & Houssaini, Jamal & Tappe, Dennis', 2],
    ['Kostopoulos, Dimitris S. & Sen, Sevket', 3],
    ['Linnaeus, Carolus', 5],
    ['Orliac, Maeva J. & Antoine, Pierre-Olivier & Duranthon, Francis', 3],
    ['Peter Grubb', 21],
    ['Pickford, Martin', 3],
    ['Pickford, Martin & Abdel Gawad, Mohamed & Hamdan, Mohamed', 4],
    ['Pickford, Martin & Morales, Jorge', 4],
    ['Wilson, Don E. & Reeder, DeeAnn', 59],
    ['Other (23)', 28]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=173)',
    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);