function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Al-Kandari, Manal & Polikarpov, Igor & Nithyanandan, Manickam', 3],
    ['Alves, Jessika & Lowry, James K. & Neves, Elizabeth G.', 2],
    ['Ariyama, Hiroyuki', 2],
    ['Barnard, J. Laurens & Williams, W. D.', 2],
    ['Bradbury, J. H. & Williams, W. D.', 8],
    ['Jaume, Damià & Iliffe, Thomas M. & Van Der Ham, Joris L.', 3],
    ['Joseph, Philomina & Nandan, S. Bijoy & Jayachandran, P. R.', 2],
    ['Marin, Ivan N. & Palatov, Dmitry M.', 3],
    ['Myers, A', 1],
    ['Ortiz, Manuel & Winfield, Ignacio & Ardisson, Pedro-Luis', 3],
    ['Sawicki, Thomas R. & Holsinger, John R. & Sket, Boris', 3],
    ['Stringer, Danielle N. & King, Rachael A. & Austin, Andrew D.', 3],
    ['Thacker, Dimple & Patel, Krupal & Myers, Alan', 6],
    ['VAN DER HAM, JORIS L. & VONK, RONALD', 1],
    ['Vonk, Ronald & Hoeksema, Bert W. & Jaume, Damia', 1],
    ['Other (1)', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=44)',
    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);