function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Chen, I-Shiung & Harefa, Tonisman & Jiang, Guo-Chen', 1],
    ['Gill, A. C. & Hoese, D. F.', 3],
    ['Gill, Anthony C. & Bogorodsky, Sergey V. & Mal, Ahmad O.', 7],
    ['Gill, Anthony C. & Hoese, Douglass F.', 1],
    ['Gill, Anthony C. & Randall, John Ernest Dr.', 1],
    ['Golani, Daniel & Fricke, Ronald', 1],
    ['Herre, Albert W. C. T.', 1],
    ['Laan, Richard Van Der & Eschmeyer, William N. & Fricke, Ronald', 1],
    ['Menon, A. G. K. & Talwar, P. K.', 1],
    ['Smith, J. L. B.', 1],
    ['Snyder, John Otterbein', 1],
    ['Springer, Victor G.', 1],
    ['Whitley, Gilbert P.', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=22)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 13, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);