function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Akhmerov, A. H.', 1],
    ['Bilqees, Fatima Mujib', 2],
    ['Fayton, Thomas J. & Choudhury, Anindo & McAllister, Chris T.', 3],
    ['Fayton, Thomas J. & McAllister, Chris T. & Robison, Henry W.', 2],
    ['Gupta, P. C. & Govind, Hare', 3],
    ['Kovaleva, A. A. & Gaevskaya, A. V.', 2],
    ['Manter, Harold W.', 7],
    ['Paperna, Ilan', 3],
    ['Salman, A. S. & Srivastava, H. D.', 2],
    ['Sinitsin, D.', 2],
    ['Skrjabin, K. I. & Koval, V. P.', 2],
    ['Wang, P. - q.', 6],
    ['Wang, Yan-Yin & Wang, P. - q. & Zhang, Wen-Huah', 3],
    ['Yamaguti, S.', 22],
    ['Zhang, T. - f.', 2],
    ['Other (53)', 53]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=115)',
    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);