function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['A, Pablo Lehmann', 1],
    ['A, Pablo Lehmann & Mayer, Fernanda & Reis, Roberto E.', 3],
    ['Boulenger, George Albert', 1],
    ['Britto, M. R. & Moreira, C. R.', 1],
    ['Cope, Edward Drinker', 3],
    ['Delapieve, Maria Laura S. & A., Pablo Lehmann & Reis, Roberto E.', 1],
    ['Eigenmann, C. H.', 1],
    ['Eigenmann, C. H. & Allen, W. R.', 1],
    ['Fowler, Henry Weed', 1],
    ['Koerber, Stefan & Litz, Thomas O.', 1],
    ['Koerber, Stefan & Litz, Thomas O. & Serra, Wilson S.', 1],
    ['Litz, Thomas O. & The, Stefan Koerber Introduction', 2],
    ['Miranda-Ribeiro, A. de', 6],
    ['Steindachner, F.', 2],
    ['The, Stefan Koerber', 6],
    ['Other (3)', 3]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=34)',
    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);