function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Camacho, G P & Franco, W & Branstetter, M G & Pie, M R', 1],
    ['Camacho, G. P. & Franco, W. & Branstetter, M. G. & Pie, M. R.', 1],
    ['Crawley W. C.', 1],
    ['Mayr, G.', 1],
    ['Radchenko, Alexander G. & Fisher, Brian L. & Esteves, Flavia A.', 3],
    ['Uwe Kaulfuss & Gennady M. Dlussky', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=9)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 6, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);