function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Broad, Gavin R. & Shaw, Mark R. & Godfray, H. Charles J.', 6],
    ['Fernandez-Triana, Jose L', 2],
    ['Gadallah, Neveen S. & Ghahari, Hassan', 1],
    ['Hoecherl, Amelie & Shaw, Mark R. & Boudreault, Caroline', 1],
    ['Zeng, Jie & He, Jun-Hua & Chen, Xue-Xin', 3],
    ['Zheng, Min-Lin & Yang, Jian-Quan & Song, Dong-Bao', 1],
    ['Zheng, Minlin & Song, Dongbao', 4]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=18)',
    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);