function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Decker, Brenna L. & Pitts, James P. & Yuan, David', 5],
    ['Ji, Xiao-Ling & Li, Chong-Yang & Ma, Li & Li, Qiang', 1],
    ['John M. Leavengood, Jr. & Waichert, Cecilia & Rodriguez, Juanita', 1],
    ['Lin, Meiying & Weigel, Andreas & Ge, Siqin', 3],
    ['Madl, Michael', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=11)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 5, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);