function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Apoltsev, D. A. & Rekovets, L. I.', 3],
    ['Don E. Wilson', 3],
    ['Don E. Wilson & Thomas E. Lacher, Jr & Russell A. Mittermeier', 3],
    ['Fostowicz-Frelik, Łucja', 1],
    ['Gagnaison, Cyril & Mennecart, Bastien & Bailleul, Julien', 1],
    ['García-Alix, Antonio & Minwer-Barakat, Raef', 2],
    ['García-Prieto, Luis & Falcón-Ordaz, Jorge', 1],
    ['Ginsburg, Léonard & Cheneval, Jacques & Janvier, Philippe', 1],
    ['Hír, János & Kókay, József', 1],
    ['James H. Honacki & Kenneth E. Kinman & James W. Koeppl', 4],
    ['Laere, Gaëlle Van & Mörs, Thomas', 2],
    ['Linnaeus, Carolus', 3],
    ['Rekovets, Leonid & Stefen, Clara & Demeshkant, Vitalii', 3],
    ['Sen, Sevket', 2],
    ['Wilson, Don E. & Reeder, DeeAnn', 4],
    ['Other (5)', 5]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=39)',
    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);