function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Costa, Wilson J. E. M.', 23],
    ['Eigenmann, C. H.', 2],
    ['Fels, J. F. & de Rham, P.', 4],
    ['Fowler, Henry Weed', 2],
    ['Garman, S.', 4],
    ['Henn, A. W.', 2],
    ['Hildebrand, S. F.', 2],
    ['Hoedeman, J. J.', 2],
    ['Huber, Jean H.', 5],
    ['Myers, G. S.', 2],
    ['Oscar M. Lasso-Alcalá & Donald C. Taphorn B. & Carlos A. Lasso', 2],
    ['Seegers, Lothar', 5],
    ['Steindachner, F.', 2],
    ['Vermeulen, Frans B. M.', 4],
    ['Wilson J. E. M. Costa', 8],
    ['Other (32)', 32]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=101)',
    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);