function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Alekseev, Vitalii I. & Drotikova, Anna M. & Rozhina, Viktoria I.', 1],
    ['Barringer, Lawrence', 1],
    ['Bellamy, C. L.', 1],
    ['Boisduval, Jean Baptiste Alphonse Dechauffour de', 2],
    ['Carlton, Christopher E. & MacRae, Ted C. & Tishechkin, Alexey K.', 7],
    ['Creutzer, Christian', 1],
    ['Fabricius, Johann Christian', 5],
    ['Hallinen, Marie J. & Steffens, Wayne P. & Schultz, Jennifer L.', 9],
    ['Kirby, William', 9],
    ['Kurosawa, Yoshihiko', 5],
    ['Levey, Brian', 2],
    ['Linnaeus, Carolus', 22],
    ['Qi, Zhi-Hao & Su, Rong-Xiang & Liao, Zhi-Yu & Ai, Hong-Mu', 9],
    ['Volkovitsh, Mаrk G.', 2],
    ['Weber, Friedrich', 4],
    ['Other (15)', 15]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=95)',
    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);