function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Annereaux, Ralph F.', 1],
    ['Bilqees, Fatima Mujib & Feroze, Rukhsana & Shaukat, Neelofer', 1],
    ['Bravo-Hollis, Margarita', 1],
    ['Bray, Rodney A. & Cribb, Thomas H. & Barker, Stephen C.', 1],
    ['King, Roy E. & Noble, Elmer Ray', 1],
    ['Layman, E. M.', 1],
    ['León-Règagnon, Virginia & Lamothe-Argumedo, R.', 1],
    ['Linton, E.', 1],
    ['Lopes, Daniela A. & Mainenti, Adriana & Knoff, Marcelo', 1],
    ['Machida, Masaaki', 1],
    ['Manter, Harold W.', 2],
    ['Manter, Harold W. & Pritchard, M. H.', 1],
    ['Mehra, R. K.', 1],
    ['Mehra, R. K. & Kharoo, V. K. & Dhar, R. L.', 1],
    ['Yamaguti, S.', 4],
    ['Other (7)', 7]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=26)',
    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);