function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Beaver, R. A. & Liu, L. Y.', 4],
    ['Beaver, R. A. & Sittichaya, W. & Liu, L-Y.', 7],
    ['Beaver, Roger A. & Smith, Sarah M.', 1],
    ['Faccoli, Massimo & Frigimelica, Gabriella & Mori, Nicola', 2],
    ['Gomez, Demian F. & Rabaglia, Robert J.', 9],
    ['Pentinsaari, Mikko & Anderson, Robert & Borowiec, Lech', 1],
    ['Silva, Mauricio Pérez & Atkinson, Thomas H.', 1],
    ['Smith, Sarah M. & Beaver, Roger A. & Cognato, Anthony I.', 7],
    ['Smith, Sarah M. & Beaver, Roger A. & Pham, Thai Hong', 1],
    ['Smith, Sarah M. & Petrov, Alexander V. & Cognato, Anthony I.', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=34)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 10, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);