function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Carpenter, James M. & Gadallah, Neveen S.', 9],
    ['Ebrahimi, Ebrahim & Carpenter, James M.', 1],
    ['Fateryga, A. V. & Buyanjargal, B.', 3],
    ['Fateryga, Alexander V. & Proshchalykin, Maxim Yu.', 2],
    ['Gawas, Sandesh M. & Kumar, Girish & Pannure, Arati', 2],
    ['Gess, Friedrich W.', 31],
    ['Gusenleitner, J.', 34],
    ['Gusenleitner, J. & Uae', 1],
    ['Gusenleitner, Josef & Uae', 5]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=88)',
    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);