function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Dale-Skey, Natalie & Askew, Richard R. & Noyes, John S.', 4],
    ['Geng, Hui & Li, Cheng-De & Mottern, Jason & Polaszek, Andrew', 1],
    ['Madl, Michael & W, Coccophagus', 2],
    ['Shahbazvar, Nasrin & Hosseini, Reza & Hayat, Mohammad', 1],
    ['Wang, Zhu Hong & Huang, Jian & Pan, Dong Ming', 17],
    ['Wang, Zhu-Hong & Huang, Jian & Polaszek, Andrew', 6],
    ['Wang, Zhu-hong & Huang, Jian & Pan, Dong-ming', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=32)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 7, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);