function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['ASHER, ROBERT J.', 6],
    ['Asher, Robert & Avery, D. M.', 2],
    ['Bronner, Gary N.', 1],
    ['Conti, Fabio & Reich, Dieter & Gutermann, Walter', 3],
    ['Hoffmann, Michael & Grubb, Peter & Groves, Colin P.', 2],
    ['Jackson, Stephen M. & Jansen, Justin J. F. J.', 2],
    ['Lacépède, Bernard Germain Étienne de', 2],
    ['Martin, W.', 1],
    ['Roberts, Austin', 3],
    ['Russell A. Mittermeier & Don E. Wilson', 51],
    ['Turni, Hendrik & Hutterer, Rainer & Asher, Robert', 3],
    ['Wible, JR & Rougier, GW & Novacek, MJ & Asher, RJ', 1],
    ['Wilson, Don E. & Reeder, DeeAnn', 99]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=176)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 13, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);