function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Amori, Giovanni & Segniagbeto, Gabriel Hoinsoude & Decher, Jan', 1],
    ['Geraads, Denis', 1],
    ['Jackson, Stephen M. & Jansen, Justin J. F. J.', 1],
    ['James H. Honacki & Kenneth E. Kinman & James W. Koeppl', 14],
    ['Kazim, Abdul-Rahman & Houssaini, Jamal & Tappe, Dennis', 1],
    ['Kerbis Peterhans, Julian C. & Hutterer, Rainer', 1],
    ['Rainer Hutterer', 17],
    ['Russell A. Mittermeier & Don E. Wilson', 19],
    ['Shpirer, Erez & Haddas-Sasson, Michal & Spivak-Glater, Maya', 1],
    ['Turni, Hendrik & Hutterer, Rainer & Asher, Robert', 1],
    ['Wilson, Don E. & Reeder, DeeAnn', 20],
    ['Woodman, Neal & Koch, Claudia & Hutterer, Rainer', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=78)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 12, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);