function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Angulo, Arturo', 3],
    ['Angulo, Arturo & Betts, Joel T. & González-Alemán, Néstor J.', 2],
    ['Beebe, W. & Tee-Van, J.', 1],
    ['Carvalho, J. de P.', 1],
    ['Cervigón, Fernando', 1],
    ['Fowler, Henry Weed', 6],
    ['Fowler, Henry Weed & Bean, Barton A.', 2],
    ['Hildebrand, S. F.', 4],
    ['Hildebrand, S. F. & Carvalho, J. de P.', 2],
    ['Hubbs, Carl L.', 1],
    ['Li, G. - L.', 1],
    ['Love, Milton S. & Bizzarro, Joseph J. & Cornthwaite, Maria', 1],
    ['Marini, T. L.', 1],
    ['Meek, S. E. & Hildebrand, S. F.', 5],
    ['Miller, R. R.', 1],
    ['Other (3)', 3]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=35)',
    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);