function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Crowley, L. E. L. M. & Ivantsoff, Walter', 3],
    ['Crowley, L. E. L. M. & Ivantsoff, Walter & Allen, Gerald R. Dr.', 1],
    ['Ivantsoff, Walter & Crowley, L. E. L. M. & Allen, Gerald R. Dr.', 4],
    ['Ivantsoff, Walter & Glover, C. J. M.', 1],
    ['Larson, Helen K. & Ivantsoff, Walter & Crowley, L. E. L. M.', 1],
    ['Morgan, David L. & Allen, Gerald R. & Pusey, Bradley J.', 3],
    ['Nichols, J. T. & Raven, H. C.', 1],
    ['Whitley, Gilbert P.', 5]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=19)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 8, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);