function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Cavallari, Daniel C. & Dornellas, Ana Paula S.', 5],
    ['Franklin, J. Benjamin & Subramanian, K. A. & Fernando, S. Antony', 61],
    ['Geiger, Daniel L.', 4],
    ['Harzhauser, Mathias & Landau, Bernard', 11],
    ['Lamarck, J. B. P. A. de M. de', 41],
    ['Lightfoot, John', 9],
    ['Linnaeus, Carolus', 39],
    ['Monnier, Eric & Tenorio, Manuel J. & Bouchet, Philippe', 3],
    ['Poppe, Guido & Tagaro, Sheila', 7],
    ['Psarras, Christos & Koskeridou, Efterpi & Merle, Didier', 7],
    ['Psarras, Christos & Merle, Didier & Koskeridou, Efterpi', 21],
    ['Ravinesh, Raveendhiran & Kumar, Appukuttannair Biju', 47],
    ['Schönherr, Christfried', 4],
    ['Tenorio, Manuel J. & Afonso, Carlos M. L.', 4],
    ['Tenorio, Manuel J. & Puillandre, Nicolas', 27],
    ['Other (23)', 34]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=324)',
    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);