function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Aubriot, Xavier & Knapp, Sandra', 52],
    ['Info Flora', 14],
    ['Jarvis, Charlie', 47],
    ['Knapp, Sandra', 61],
    ['Knapp, Sandra & Barboza, Gloria E. & Bohs, Lynn', 18],
    ['Knapp, Sandra & Saerkinen, Tiina & Barboza, Gloria E.', 62],
    ['Knapp, Sandra & Vorontsova, Maria S.', 15],
    ['Linnaeus, Carolus', 29],
    ['Madrid, Anales del Jardín Botánico de & 2009 & Knapp, Sandra', 87],
    ['McQuate, Grant T. & Liquido, Nicanor J.', 31],
    ['Saerkinen, Tiina & Poczai, Peter & Barboza, Gloria E.', 19],
    ['Symon, David Eric', 20],
    ['Tepe, EJ & Bohs, L', 12],
    ['Wahlert, Gregory A. & Chiarini, Franco E. & Bohs, Lynn', 14],
    ['Zhou, Ya-Dong & Mwachala, Geoffrey & Hu, Guang-Wan', 16],
    ['Other (84)', 229]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=726)',
    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);