function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Angulo, Arturo', 3],
    ['Angulo, Arturo & Betts, Joel T. & González-Alemán, Néstor J.', 2],
    ['Briggs, Jack C.', 5],
    ['Briggs, Jack C. & Miller, R. R.', 2],
    ['Cope, Edward Drinker', 1],
    ['Espinosa Pérez, H. & Castro-Aguirre, J. L.', 1],
    ['Fowler, Henry Weed', 2],
    ['Gilbert, Charles H.', 3],
    ['Günther, Albert Charles Lewis Gotthilf', 1],
    ['Hastings, Philip A. & Conway, Kevin W.', 1],
    ['Herre, Albert W. C. T.', 1],
    ['Howell Rivero, L.', 1],
    ['Jordan, David Starr & Gilbert, Charles H.', 4],
    ['Love, Milton S. & Bizzarro, Joseph J. & Cornthwaite, Maria', 7],
    ['Meek, S. E.', 2],
    ['Other (5)', 5]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=41)',
    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);