function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Antoine, Pierre-Olivier & Downing, Kevin F. & Crochet, Jean-Yves', 5],
    ['Antoine, Pierre-Olivier & Duranthon, Francis', 2],
    ['Antoine, Pierre-Olivier & Saraç, Gerçek', 8],
    ['Antoine, Pierre-Olivier & Sen, Sevket', 7],
    ['Don E. Wilson & Russell A. Mittermeier', 6],
    ['Geraads, Denis & Miller, Ellen', 3],
    ['Geraads, Denis & Spassov, Nikolaï & Hristova, Latinka', 3],
    ['Ginsburg, Léonard & Cheneval, Jacques & Janvier, Philippe', 3],
    ['Gray, J. E.', 4],
    ['Heissig, Kurt', 7],
    ['James H. Honacki & Kenneth E. Kinman & James W. Koeppl', 10],
    ['Linnaeus, Carolus', 3],
    ['Peter Grubb', 9],
    ['Tissier, Jérémy & Antoine, Pierre-Olivier & Becker, Damien', 9],
    ['Wilson, Don E. & Reeder, DeeAnn', 19],
    ['Other (12)', 16]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=114)',
    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);