function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Alberdi, María Teresa & Ginsburg, Léonard & Rodríguez, Jesús', 2],
    ['Bernor, Raymond L. & Sen, Sevket', 3],
    ['Bronnert, Constance & Métais, Grégoire', 10],
    ['Denis Geraards', 3],
    ['Don E. Wilson & Russell A. Mittermeier', 8],
    ['Eisenmann, Véra & Kuznetsova, Tatiana', 4],
    ['Geraads, Denis & Spassov, Nikolaï & Hristova, Latinka', 5],
    ['Hulbert, Richard Charles', 6],
    ['James H. Honacki & Kenneth E. Kinman & James W. Koeppl', 11],
    ['Koufos, George D. & Vlachou, Theodora D.', 3],
    ['Linnaeus, Carolus', 4],
    ['Peter Grubb', 10],
    ['Webb, S. David & Hulbert, Richard Charles', 3],
    ['Wilson, Don E. & Reeder, DeeAnn', 30],
    ['Zouhri, Samir & Moussa, Abelkhaleq Ben', 4],
    ['Other (25)', 31]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=137)',
    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);