function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Barnouin, Thomas & Soldati, Fabien & Roques, Alain', 1],
    ['Beaver, R. A. & Liu, L. Y.', 4],
    ['Beaver, R. A. & Sittichaya, W. & Liu, L-Y.', 9],
    ['Beaver, Roger A. & Smith, Sarah M.', 2],
    ['Bright, Donald E.', 4],
    ['Gomez, Demian F. & Rabaglia, Robert J.', 4],
    ['Hoebeke, E. Richard & Rabaglia, Robert J. & Knížek, Miloš', 2],
    ['Hulcr, Jiri', 4],
    ['Mandelshtam, Mikhail Yu. & Sergeev, Maksim E.', 2],
    ['Sittichaya, Wisut & Smith, Sarah M. & Beaver, Roger A.', 1],
    ['Smith, Sarah M. & Beaver, Roger A. & Cognato, Anthony I.', 37],
    ['Smith, Sarah M. & Beaver, Roger A. & Pham, Thai Hong', 18],
    ['Smith, Sarah M. & Beaver, Roger A. & Singh, Sudhir', 1],
    ['Smith, Sarah M. & Beaver, Roger A. & Sittichaya, Wisut', 11]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=100)',
    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);