function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Araújo, Diogo & Alves, Marccus', 9],
    ['Breure, Abraham S. H. & Tardy, Emmanuel', 38],
    ['Cabezudo, Baltasar & Solanas, Federico Casimiro-Soriguer', 8],
    ['Hess, Hans Ernst & Landolt, Elias & Hirzel, Rosmarie', 11],
    ['Info Flora', 14],
    ['Jacobs, Hans-Joachim', 24],
    ['Jarvis, Charlie', 96],
    ['Linnaeus, Carolus', 52],
    ['Monteiro, Francisca & Costa, Esperança Da & Kissanga, Raquel', 13],
    ['Nacoulma, Blandine M. I. & Schmidt, Marco & Hahn, Karen', 12],
    ['Pastore, Mayara & Moreira, André Luiz da Costa', 11],
    ['Wood, John R. I. & Munoz-Rodriguez, Pablo', 454],
    ['Wood, John R. I. & Munoz-Rodriguez, Pablo & Degen, Rosa', 15],
    ['Wood, John R. I. & Williams, Bethany R. M. & Mitchell, Thomas C.', 262],
    ['Zhou, Ya-Dong & Mwachala, Geoffrey & Hu, Guang-Wan', 15],
    ['Other (44)', 106]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=1140)',
    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);