function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Diels, Friedrich Ludwig Emil', 63],
    ['Hess, Hans Ernst & Landolt, Elias & Hirzel, Rosmarie', 41],
    ['Info Flora', 50],
    ['Jarvis, Charlie', 128],
    ['Kartonegoro, Abdulrokhman & Veldkamp, Jan Frits', 59],
    ['Kriebel, Ricardo', 81],
    ['Linnaeus, Carolus', 74],
    ['Luo, Yike & Xie, Lei', 69],
    ['Maia, Valéria Cid & Mascarenhas, Bernardo', 54],
    ['Makranczy, György', 65],
    ['Maxwell, T. C. & Veldkamp, Jan Frederik', 40],
    ['Molino, Jean-François & Sabatier, Daniel & Grenand, Pierre', 226],
    ['Soh, Wuu-Kuang & Parnell, John', 64],
    ['Stone, Robert Douglas', 40],
    ['Uc Gala, Victor C. & Valdemarin, Karinne Sampaio & Lucas, Eve', 88],
    ['Other (294)', 1430]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=2572)',
    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);