function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bentham, George', 1],
    ['Bruneau, Anne & de Queiroz, Luciano Paganucci', 1],
    ['DeFilipps, Robert A. & Krupnick, Gary A.', 2],
    ['Fosberg, Francis Raymond', 1],
    ['Gomes, Aureliana Santos & Rodrigues, Erimágna De Morais', 1],
    ['Info Flora', 1],
    ['Jarvis, Charlie', 4],
    ['Jeanmonod, Daniel', 1],
    ['Konrad Lauber & Gerhart Wagner & Andreas Gygax', 1],
    ['Lee, Jong-Won & Yun, Ho-Geun & Hwang, Tae Young & Kim, Kyungmin', 1],
    ['Miller, Joseph T. & Seigler, David', 5],
    ['Molino, Jean-François & Sabatier, Daniel & Grenand, Pierre', 2],
    ['Monteiro, Francisca & Costa, Esperança Da & Kissanga, Raquel', 3],
    ['Nacoulma, Blandine M. I. & Schmidt, Marco & Hahn, Karen', 2],
    ['Verdcourt, Bernard', 3],
    ['Other (3)', 3]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=32)',
    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);