function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bernard, F.', 18],
    ['Bernhard Seifert', 24],
    ['Eguchi, K.', 62],
    ['Eguchi, Katsuyuki', 37],
    ['Emery, C.', 59],
    ['Forel, A.', 119],
    ['Longino, J. T.', 50],
    ['Longino, John T.', 74],
    ['Mayr, G.', 20],
    ['Salata, Sebastian & Fisher, Brian L.', 115],
    ['Santschi, F.', 28],
    ['Smith, F.', 21],
    ['Ward, P. S.', 24],
    ['Wild, A. L.', 55],
    ['Wilson, E. O.', 624],
    ['Other (59)', 251]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=1581)',
    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);