function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Appolloni, Massimo & Smriglio, Carlo & Amati, Bruno', 8],
    ['Bleeker, Pieter', 7],
    ['Cavallari, Daniel C. & Dornellas, Ana Paula S.', 18],
    ['Franklin, J. Benjamin & Subramanian, K. A. & Fernando, S. Antony', 61],
    ['Harzhauser, Mathias & Landau, Bernard', 85],
    ['Helwerda, Enate A.', 13],
    ['Lamarck, J. B. P. A. de M. de', 41],
    ['Lightfoot, John', 9],
    ['Linnaeus, Carolus', 39],
    ['Petuch, E. & Sargent, D. M.', 9],
    ['Psarras, Christos & Koskeridou, Efterpi & Merle, Didier', 14],
    ['Psarras, Christos & Merle, Didier & Koskeridou, Efterpi', 21],
    ['Ravinesh, Raveendhiran & Kumar, Appukuttannair Biju', 49],
    ['Tenorio, Manuel J. & Abalde, Samuel & Pardos-Blas, José R.', 71],
    ['Tenorio, Manuel J. & Puillandre, Nicolas', 52],
    ['Other (56)', 113]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=610)',
    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);