function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Barrabé, Laure & Mouly, Arnaud & Florence, Jacques', 82],
    ['Dang, Van-Son & Naiki, Akiyo', 80],
    ['Hess, Hans Ernst & Landolt, Elias & Hirzel, Rosmarie', 62],
    ['Info Flora', 59],
    ['Jarvis, Charlie', 135],
    ['Kime, Richard Desmond & Enghoff, Henrik', 50],
    ['Linnaeus, Carolus', 69],
    ['Merrill, Elmer Drew & Perry, Lily May', 105],
    ['Molino, Jean-François & Sabatier, Daniel & Grenand, Pierre', 70],
    ['Neuba, Danho Fursy Rodelec & Malan, Djah François', 54],
    ['Razafimandimbison, Sylvain G. & Bremer, Birgitta', 111],
    ['Sohmer, S. H.', 59],
    ['Taylor, Charlotte M. & Razafimandimbison, Sylvain G.', 108],
    ['Valeton, Theodoric', 145],
    ['Zhou, Ya-Dong & Mwachala, Geoffrey & Hu, Guang-Wan', 58],
    ['Other (236)', 1100]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=2347)',
    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);