function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Broad, Gavin R. & Shaw, Mark R. & Godfray, H. Charles J.', 2],
    ['Jasso-Martínez, Jovana M. & Martínez, Juan José', 6],
    ['Sharkey, Michael J. & Baker, Austin & McCluskey, Kathryn', 1],
    ['Sharkey, Michael J. & Janzen, Daniel H. & Hallwachs, Winnie', 30],
    ['Valerio, Alejandro A. & Shaw, Scott R.', 18]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=57)',
    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);