function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Ahl, E.', 1],
    ['Cope, Edward Drinker', 2],
    ['Dutra, Guilherme Moreira & Penido, Iago De Souza', 1],
    ['Eigenmann, C. H.', 2],
    ['Eigenmann, C. H. & Eigenmann, Rosa Smith', 8],
    ['Eigenmann, C. H. & Henn, A. W. & Wilson, C.', 1],
    ['Eigenmann, C. H. & Kennedy, C. H.', 1],
    ['Fowler, Henry Weed', 1],
    ['Gill, T. N.', 1],
    ['Géry, J.', 1],
    ['Holmberg, Eduardo Ladislao', 1],
    ['Kner, R.', 1],
    ['Melo, Bruno F. & Oliveira, Claudio', 3],
    ['Pellegrin, J.', 2],
    ['Steindachner, F.', 11],
    ['Other (5)', 5]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=42)',
    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);