function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Boustani, Mira & Rasmont, Pierre & Dathe, Holger H.', 29],
    ['Cornalba, Maurizio & Quaranta, Marino & Selis, Marco', 5],
    ['Else, George R. & Bolton, Barry & Broad, Gavin R.', 10],
    ['Gibbs, Jason & Ascher, John S. & Rightmyer, Molly G.', 5],
    ['I, Eritrea', 11],
    ['Kuhlman, Marirose & Burrows, Skyler', 4],
    ['Lhomme, Patrick', 44],
    ['Norfolk, Olivia & Dathe, Holger H.', 5],
    ['Orr, Michael C. & Pitts, James P. & Griswold, Terry', 26],
    ['Portman, Zachary M. & Gardner, Joel & Lane, Ian G.', 4],
    ['Proshchalykin, M. Yu. & Astafurova, Yu. V. & Levchenko, T. V.', 19],
    ['Reese, Elizabeth G. & Burkle, Laura A. & Delphia, Casey M.', 5],
    ['Risch, Stephan & Roberts, Stuart P. M. & Smit, Jan', 17],
    ['Smith, F.', 4],
    ['Walker, Francis', 13],
    ['Other (12)', 20]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=221)',
    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);