function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bravo-Hollis, Margarita', 1],
    ['Caballero y C., Eduardo & Hidalgo, E. & Grocott, R.', 1],
    ['Durio, Walter O. & Manter, Harold W.', 4],
    ['Fischthal, Jacob H. & Kuntz, Robert E', 1],
    ['Fischthal, Jacob H. & Thomas, J. D.', 1],
    ['Gu, Chang-dong & Shen, J. - w.', 1],
    ['Hafeezullah, M.', 2],
    ['Lamothe-Argumedo, R.', 1],
    ['Manter, Harold W.', 3],
    ['Nagaty, H. F. & Abdel Aal, Tahia M.', 1],
    ['Nahhas, Fuad M. & Sey, Otto & Nishimoto, Ryan', 1],
    ['Nahhas, Fuad M. & Tran, M. & Nguyen, T. P.', 1],
    ['Siddiqi, Ather H. & Cable, Raymond M.', 2],
    ['Velasquez, Carmen C.', 1],
    ['Yamaguti, S.', 6],
    ['Other (1)', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=28)',
    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);