function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bleeker, Pieter', 8],
    ['Boulenger, George Albert', 6],
    ['Collins, Rupert A. & Duarte Ribeiro, Emanuell', 10],
    ['Cope, Edward Drinker', 9],
    ['Garavello, Julio Cesar', 6],
    ['Girard, Charles Frédéric', 17],
    ['Girardi, Simone C. & Pavanelli, Carla S.', 6],
    ['Hamilton, F. Buchanan', 27],
    ['Michael W. Littmann', 13],
    ['Ota, Renata Rúbia & Deprá, Gabriel de Carvalho', 17],
    ['Spix, J. B. von & Agassiz, Jean Louis Rodolphe', 7],
    ['Steindachner, F.', 8],
    ['Sykes, W. H.', 6],
    ['Uriel Angel Buitrago-Suárez & Brooks M. Burr', 11],
    ['Villa-Navarro, Francisco Antonio & Acero, Arturo', 7],
    ['Other (75)', 123]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=281)',
    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);