function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bruneau, Anne & de Queiroz, Luciano Paganucci', 175],
    ['Cabezudo, Baltasar & Solanas, Federico Casimiro-Soriguer', 146],
    ['Castillón, Eduardo Estrada & Quintanilla, José Ángel Villarreal', 136],
    ['Gagnon, Edeline & Bruneau, Anne & Hughes, Colin E.', 129],
    ['Gore, Ramchandra & Gaikwad, Sayajirao', 288],
    ['Hess, Hans Ernst & Landolt, Elias & Hirzel, Rosmarie', 275],
    ['Hughes, Colin E. & Ringelberg, Jens J. & Lewis, Gwilym P.', 86],
    ['Info Flora', 258],
    ['Jarvis, Charlie', 802],
    ['Konrad Lauber & Gerhart Wagner & Andreas Gygax', 194],
    ['Linnaeus, Carolus', 97],
    ['Molino, Jean-François & Sabatier, Daniel & Grenand, Pierre', 252],
    ['Nacoulma, Blandine M. I. & Schmidt, Marco & Hahn, Karen', 129],
    ['Queiroz, Luciano Paganucci de & Snak, Cristiane', 78],
    ['Zhou, Ya-Dong & Mwachala, Geoffrey & Hu, Guang-Wan', 107],
    ['Other (420)', 2391]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=5543)',
    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);