function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Araujo, Leonardo B. S. & Lucinda, Paulo H. F.', 1],
    ['Berg, C.', 1],
    ['Bocourt, F.', 4],
    ['Boulenger, George Albert', 2],
    ['Chernoff, Barry & Machado-Allison, Antonio', 1],
    ['Cope, Edward Drinker', 9],
    ['De Filippi, F.', 1],
    ['De Lucena, Carlos Alberto S. & Soares, Helena Gouvea', 1],
    ['Eigenmann, C. H.', 3],
    ['Hensel, R. F.', 2],
    ['Lütken, Christian Frederik', 2],
    ['Perugia, Alberto', 2],
    ['Silva, Gabriel S. C. & Melo, Bruno F. & Oliveira, Claudio', 14],
    ['Steindachner, F.', 9],
    ['Ulrey, A. B.', 4],
    ['Other (21)', 21]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=77)',
    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);