function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Don E. Wilson & Thomas E. Lacher, Jr & Russell A. Mittermeier', 29],
    ['Erbajeva, Margarita A. & Montuire, Sophie & Chaline, Jean', 2],
    ['James H. Honacki & Kenneth E. Kinman & James W. Koeppl', 19],
    ['Jo, Yeong-Seok & Baccus, John T. & Koprowski, John L.', 2],
    ['Lissovsky, Andrey A. & Obolenskaya, Ekaterina V.', 6],
    ['Robert S. Hoffmann', 26],
    ['Sen, Sevket', 2],
    ['Tesakov, Alexey S. & Titov, Vadim V. & Simakova, Alexandra N.', 1],
    ['Wilson, Don E. & Reeder, DeeAnn', 59],
    ['Čermák, Stanislav & Rekovets, Leonid I.', 3]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=149)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 10, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);