function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Alonso, G. M.', 1],
    ['Conlan, Kathleen E. & Desiderato, Andrea & Beermann, Jan', 33],
    ['Kim, Kyung-Won & Zhang, Xin & Choi, Jae-Hong & Kim, Jun', 3],
    ['Leach, William Elford', 1],
    ['Rousou, Maria & Plaiti, Wanda & Lowry, Jim', 2],
    ['Thacker, Dimple & Patel, Krupal & Myers, Alan', 1],
    ['Vader, Wim & Krapp, Traudl', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=42)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 7, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);