function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Allen, Gerald R. Dr. & Robertson, D. Ross', 1],
    ['Bariche, Michel & Fricke, Ronald', 1],
    ['Bean, T. H.', 1],
    ['Carneiro, Miguel & Martins, Rogélia & Landi, Monica', 1],
    ['Edwards, A. J. & Gill, A. C. & Abohweyere, P. O.', 1],
    ['Golani, Daniel & Bogorodsky, Sergey V.', 2],
    ['Jordan, David Starr', 1],
    ['Jordan, David Starr & Evermann, Barton Warren', 1],
    ['Jordan, David Starr & Gilbert, Charles H.', 1],
    ['Jordan, David Starr & Thompson, W. F.', 1],
    ['Love, Milton S. & Bizzarro, Joseph J. & Cornthwaite, Maria', 1],
    ['Peter Wirtz & Carlos Eduardo L. Ferreira & Sergio R. Floeter', 1],
    ['Peters, Wilhelm Carl Hartwig', 1],
    ['Poey, F.', 1],
    ['Randall, John Ernest Dr. & Allen, Gerald R. Dr.', 1],
    ['Other (5)', 5]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=21)',
    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);