function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Aguilera, O. & Solano, O. D. & Valdez, J.', 1],
    ['Angulo, Arturo & Betts, Joel T. & González-Alemán, Néstor J.', 1],
    ['Chao, N. L.', 1],
    ['Chao, Ning Labbish & Carvalho-Filho, Alfredo', 8],
    ['Chirichigno F., Norma', 1],
    ['Eigenmann, C. H.', 1],
    ['Hildebrand, S. F.', 1],
    ['Jordan, David Starr & Evermann, Barton Warren', 1],
    ['Love, Milton S. & Bizzarro, Joseph J. & Cornthwaite, Maria', 2],
    ['Meek, S. E. & Hildebrand, S. F.', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=19)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 10, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);