function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Angulo, Arturo', 4],
    ['Angulo, Arturo & Betts, Joel T. & González-Alemán, Néstor J.', 3],
    ['Angulo, Arturo & Gracian-Negrete, Jatziry Marlene', 2],
    ['Cope, Edward Drinker', 2],
    ['Dahl, G.', 2],
    ['Diniz, Paulo Baltazar & Siqueira, Hatus de Oliveira', 2],
    ['Fowler, Henry Weed', 3],
    ['Hildebrand, S. F.', 2],
    ['Laan, Richard Van Der & Eschmeyer, William N. & Fricke, Ronald', 2],
    ['Lima, Flávio C. T.', 28],
    ['Meek, S. E. & Hildebrand, S. F.', 2],
    ['Monteiro, Cassandra Moraes & Cohen, Simone Chinicz', 3],
    ['Ota, Renata Rúbia & Deprá, Gabriel de Carvalho', 6],
    ['Rodrigues, Leydiane Nunes & Silva, Juliana Paulo Da', 5],
    ['Steindachner, F.', 6],
    ['Other (21)', 22]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=94)',
    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);