function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Broad, Gavin R. & Shaw, Mark R. & Godfray, H. Charles J.', 2],
    ['Cao, Liang-Ming & Achterberg, Cornelis Van & Tang, Yan-Long', 1],
    ['Haliday, A. H.', 1],
    ['Li, Yang & Achterberg, Cornelis van & Chen, Xue-xin', 6],
    ['Madl, M. & Achterberg, C. Van', 1],
    ['Madl, Michael', 2],
    ['Mistletoe, Insects Associated With The European & Album, Viscum', 1],
    ['Petersen-Silva, Ricardo & Pujade-Villar, Juli & Naves, Pedro', 1],
    ['Samartsev, Konstantin & Ku, Deok-Seo', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=16)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 9, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);