function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Amori, Giovanni & Segniagbeto, Gabriel Hoinsoude & Decher, Jan', 1],
    ['Benda, P. & Kasso, M. & Nicolas, V. & Pleurdeau, D.', 1],
    ['Cakenberghe, Victor Van & Tungaluna, Guy-Crispin Gembu', 24],
    ['Decher, Jan & Hoffmann, Anke & Schaer, Juliane', 1],
    ['Don E. Wilson & Russell A. Mittermeier', 20],
    ['GOODMAN, STEVEN M. & BUCCAS, WAHEEDA & NAIDOO, THESHNIE', 1],
    ['Goodman, Steven M. & C Ardiff, Scott G.', 1],
    ['James H. Honacki & Kenneth E. Kinman & James W. Koeppl', 14],
    ['Karl F. Koopman', 14],
    ['Monadjem, Ara & Richards, Leigh & Denys, Christiane', 3],
    ['Monadjem, Ara & Schoeman, M. Corrie & Reside, April', 2],
    ['Mongombe, Aaron Manga & Fils, Eric Moise Bakwo', 1],
    ['Parnaby, Harry E. & Ingleby, Sandy & Divljan, Anja', 1],
    ['Voon-Ching Lim & Rosli Ramli & Subha Bhassu & John-James Wilson', 2],
    ['Wilson, Don E. & Reeder, DeeAnn', 29],
    ['Other (1)', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=116)',
    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);