function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bernard, F.', 13],
    ['Bharti, Himender & Rilta, Joginder Singh', 3],
    ['Branstetter, Michael G. & Longino, John T.', 3],
    ['Collingwood, C. A.', 2],
    ['Else, George R. & Bolton, Barry & Broad, Gavin R.', 6],
    ['Emery, C.', 16],
    ['Forel, A.', 43],
    ['Jerdon, T. C.', 8],
    ['Lapeva-Gjonova, Albena & Antonova, Vera', 4],
    ['Leong, Chi-Man & Guénard, Benoit & Shiao, Shiuh-Feng', 19],
    ['Mayr, G.', 8],
    ['Roger, J.', 3],
    ['Santschi, F.', 17],
    ['Schmidt, C. A. & Shattuck, S. O.', 3],
    ['Smith, F.', 92],
    ['Other (27)', 30]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=270)',
    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);