function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Braun, M.', 6],
    ['Cobbold, Thomas S.', 5],
    ['Creplin, F. C. H.', 9],
    ['Dujardin, Félix', 5],
    ['Linstow, O. F. B. von', 3],
    ['Looss, A.', 9],
    ['MacCallum, G. A.', 3],
    ['Monticelli, F. S.', 3],
    ['Nicoll, W.', 5],
    ['Olsson, P.', 8],
    ['Poirier, J.', 6],
    ['Rudolphi, Carolo Asmundo', 35],
    ['Sluiter, C. P.', 3],
    ['Stossich, M.', 4],
    ['Yamaguti, S.', 3],
    ['Other (54)', 65]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=172)',
    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);