function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Balushkin, A. V. & Fedorov, V. V. & Paxton, John R.', 1],
    ['Bertelsen, E. & Marshall, N. B.', 4],
    ['Bigelow, H. B.', 1],
    ['Carneiro, Miguel & Martins, Rogélia & Landi, Monica', 12],
    ['Fedorov, V. V. & Balushkin, A. V. & Trunov, I. A.', 1],
    ['Goode, G. B. & Bean, T. H.', 1],
    ['Koefoed, E.', 1],
    ['Laan, Richard Van Der & Eschmeyer, William N. & Fricke, Ronald', 3],
    ['Love, Milton S. & Bizzarro, Joseph J. & Cornthwaite, Maria', 7],
    ['Myers, G. S. & Freihofer, W. C.', 4],
    ['Parr, A. E.', 5],
    ['Paxton, John R.', 3],
    ['Rass, T. S.', 1],
    ['Rofen, Robert R.', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=45)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 14, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);