function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Arens, W.', 3],
    ['Dorji, Phurpa & Nidup, Tshering & Klein, Wim & Dorji, Cheten', 3],
    ['Dvořák, Libor & Castro, Leopoldo', 1],
    ['Ebrahimi, Ebrahim & Carpenter, James M.', 1],
    ['Else, George R. & Bolton, Barry & Broad, Gavin R.', 8],
    ['Fateryga, Alexander V. & Mokrousov, Mikhail V.', 1],
    ['Fateryga, Alexander V. & Proshchalykin, Maxim Yu.', 3],
    ['Gawas, Sandesh M. & Kumar, Girish & Pannure, Arati', 10],
    ['Gusenleitner, J.', 11],
    ['Kim, Jeong-Kyu', 5],
    ['Li, Ting-jing & Chen, Bin', 20],
    ['Rafi, Muhammad Ather & Carpenter Muhammad Qasim, James M.', 2],
    ['Schmid, C.', 3],
    ['Selis, Marco', 3],
    ['Yildirim, Erol & Gusenleitner, Josef', 2],
    ['Other (8)', 8]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=84)',
    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);