function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Arai, Hisao P. & Smith, John W.', 1],
    ['Bean, T. H.', 1],
    ['Bleeker, Pieter', 1],
    ['Bloch, Marcus Elieser & Schneider, J. G.', 1],
    ['Collett, R.', 1],
    ['De Vis, Charles Walter', 1],
    ['Freeman, H. W.', 1],
    ['Gilbert, Charles H.', 8],
    ['Jordan, David Starr & Evermann, Barton Warren', 2],
    ['Jordan, David Starr & Starks, E. C.', 4],
    ['Love, Milton S. & Bizzarro, Joseph J. & Cornthwaite, Maria', 28],
    ['Sauvage, H. E.', 2],
    ['Simian, Gaëlle & Abraham, Daniel & Bailly, Nicolas', 2],
    ['Steindachner, F.', 6],
    ['Tilesius, W. G. von', 5],
    ['Other (19)', 19]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=83)',
    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);