function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Angulo, Arturo', 5],
    ['Angulo, Arturo & Betts, Joel T. & González-Alemán, Néstor J.', 4],
    ['Bleeker, Pieter', 2],
    ['Ceríaco, Luis M. P. & Santos, Bruna S. & Semedo, Thiago B. F.', 2],
    ['Chabanaud, P.', 3],
    ['Díaz de Astarloa, Juan M. & Munroe, Thomas A. & Béarez, Philippe', 2],
    ['Fowler, Henry Weed', 2],
    ['Goode, G. B. & Bean, T. H.', 6],
    ['Günther, Albert Charles Lewis Gotthilf', 4],
    ['Ho, Hsuan-Ching & Shao, Kwang-Tsao', 4],
    ['Jordan, David Starr & Gilbert, Charles H.', 6],
    ['Jordan, David Starr & Goss, D. K.', 4],
    ['Love, Milton S. & Bizzarro, Joseph J. & Cornthwaite, Maria', 21],
    ['Macleay, William John', 3],
    ['Ogilby, J. D.', 3],
    ['Other (53)', 61]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=132)',
    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);