function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Ahmad, J.', 11],
    ['Bilqees, Fatima Mujib', 16],
    ['Fischthal, Jacob H. & Kuntz, Robert E', 8],
    ['Gu, Chang-dong & Shen, J. - w.', 16],
    ['Gupta, P. C. & Gupta, V. C.', 8],
    ['Gupta, R. C. & Gupta, S. P.', 7],
    ['Gupta, V. & Jain, N.', 7],
    ['Gupta, V. & Puri, M.', 7],
    ['Linton, E.', 7],
    ['Looss, A.', 10],
    ['Manter, Harold W.', 31],
    ['Manter, Harold W. & Pritchard, M. H.', 8],
    ['Shen, J. - w.', 28],
    ['Wang, P. - q.', 17],
    ['Yamaguti, S.', 99],
    ['Other (194)', 347]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=627)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 16, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);