function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Cripps, Cathy L. & Eberhardt, Ursula & Schuetz, Nicole', 16],
    ['Eberhardt, Ursula & Beker, Henry J. & Borgen, Torbjorn', 29],
    ['Eberhardt, Ursula & Kong, Alejandro & Montoya, Adriana', 5],
    ['Eberhardt, Ursula & Schuetz, Nicole & Beker, Henry J.', 4],
    ['He, Xue-Lian & Huo, Wen-Yan & Zhang, Li-Guang & Liu, Yu', 2],
    ['Karunarathna, Samantha C. & Priyashantha, K Hasith', 7],
    ['Liu, Xiaoliang & Bau, Tolgor', 1],
    ['Telfer, Angela C & Young, Monica R & Quinn, Jenna & Perez, Kate', 2],
    ['de la Fuente, Javier Isaac & García-Jiménez, Jesús', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=67)',
    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);