function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Brothers, Denis J.', 2],
    ['Lelej, Arkady S. & Ullah, Mishkat & Mahmood, Khalid', 2],
    ['Lelej, Arkady S. & Williams, Kevin A.', 1],
    ['Okayasu, Juriya', 1],
    ['Okayasu, Juriya & Williams, Kevin A. & Lelej, Arkady S.', 16],
    ['Terine, Joshua B. & Lelej, Arkady S. & Kumar, Girish P.', 2],
    ['Williams, Kevin A. & Lelej, Arkady S. & Okayasu, Juriya', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=25)',
    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);