function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Ashmead, William Harris', 1],
    ['Dale-Skey, Natalie & Askew, Richard R. & Noyes, John S.', 4],
    ['Guzmán-Larralde, Adriana J. & Huber, John T.', 2],
    ['Huber, John T. & Bolte, Klaus & Read, Jennifer D.', 1],
    ['Huber, John T. & Read, Jennifer D. & Triapitsyn, Serguei V.', 5],
    ['Plecas, Milan & Zikic, Vladimir & Kocic, Korana', 1],
    ['Rameshkumar, A. & Poorani, J. & Anjana, M.', 4],
    ['Rameshkumar, A. & Poorani, J. & V, Naveen', 2],
    ['Rehmat, Tabassum & Anis, Shoeba Binte', 1],
    ['Rehmat, Tabassum & Anis, Shoeba Binte & Hayat, Mohammad', 2],
    ['Triapitsyn, Serguei V. & Huber, John T. & Logarzo, Guillermo A.', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=24)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 11, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);