function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Applequist, Wendy L. & Phillipson, Peter B. & Schatz, George E.', 14],
    ['Broch, H.', 2],
    ['Buckeridge, John S.', 1],
    ['Chan, Benny K. K. & Hayashi, Ryota', 1],
    ['Foster, B. a.', 1],
    ['Gray, John Edward', 1],
    ['Hiro, Fujio', 3],
    ['Jones, D. S. & Hosie, Andrew M.', 1],
    ['Newman, William A. & Jones, William J.', 2],
    ['Ren, Xian-qiu', 1],
    ['Rosell, Neon', 3],
    ['Shahdadi, Adnan & Sari, Alireza & Naderloo, Reza', 1],
    ['Utinomi, H.', 1],
    ['Withers, T. H.', 8],
    ['Zevina, G. B. & Galkin, S. V', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=41)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 15, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);