function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bakker, Piet A. J. & Albano, Paolo G.', 984],
    ['Breure, Abraham S. H.', 280],
    ['Breure, Abraham S. H. & Ablett, Jonathan D.', 655],
    ['Emberton, Kenneth C.', 332],
    ['Hansen, Thomas', 242],
    ['Harzhauser, Mathias', 408],
    ['Harzhauser, Mathias & Guzhov, Aleksandr & Landau, Bernard', 278],
    ['Harzhauser, Mathias & Landau, Bernard', 363],
    ['Herbert, David G.', 425],
    ['Inkhavilay, Khamla & Sutcharit, Chirasak & Bantaowong, Ueangfa', 246],
    ['Linnaeus, Carolus', 515],
    ['Neubauer, Thomas A.', 1455],
    ['Pall-Gergely, Barna & Sajan, Sheikh & Tripathy, Basudev', 370],
    ['Salvador, Andreia & Pickering, Joan', 246],
    ['Tibiriçá, Yara & Pola, Marta & Cervera, Juan Lucas', 272],
    ['Other (1601)', 17878]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=24949)',
    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);