function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Barrion, A. T. & Litsinger, J. A.', 2],
    ['Biswas & Raychaudhuri', 2],
    ['Biswas, B. & Biswas, K', 7],
    ['Dean, David Allen', 11],
    ['Kim, Byung-Woo & Lee, Woncheol', 1],
    ['Marusik, Yuri M.', 1],
    ['Pett, Brogan L. & Perger, Robert', 2],
    ['Sankaran, Pradeep M.', 4],
    ['Sankaran, Pradeep M. & Caleb, John T. D.', 4],
    ['Sankaran, Pradeep M. & Malamel, Jobi J. & Joseph, Mathew M.', 2],
    ['ZONSTEIN, SERGEI & MARUSIK, YURI M.', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=37)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 11, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);