function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Gibbs, Jason & Packer, Laurence', 7],
    ['Monckton, Spencer K.', 18],
    ['Oliveira, Favizia Freitas de & Mahlmann, Thiago', 1],
    ['Packer, Laurence & Dumesh, Sheila', 17],
    ['Packer, Laurence & Genaro, Julio A.', 15],
    ['Willis, Erin & Packer, Laurence', 6]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=64)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 6, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);