function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Colin P. Groves', 31],
    ['Garbino, Guilherme S. T. & Nogueira, Marcelo R.', 3],
    ['Gregorin, Renato & Athaydes, Daysa', 1],
    ['Gregorin, Renato & Vivo, Mario De', 1],
    ['Heymann, Eckhard W', 1],
    ['Muniz-Pereira, Luís C. & Vieira, Fabiano M. & Luque, José L.', 1],
    ['Oliveira, Marcela Alvares & Calouro, Armando Muniz', 1],
    ['Russell A. Mittermeier & Anthony B. Rylands & Don E. Wilson', 48],
    ['Rylands, Anthony B. & Heymann, Eckhard W.', 1],
    ['VOSS, ROBERT S. & LUNDE, DARRIN P. & SIMMONS, NANCY B.', 1],
    ['Voss, Robert S. & Fleck, David W.', 5]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=94)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 11, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);