function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Castiglia, Riccardo & Annesi, Flavia & Bezerra, Alexandra M. R.', 3],
    ['Castiglia, Riccardo & Flores-Villela, Oscar Alberto', 1],
    ['Harvey, Michael B. & Ugueto, Gabriel N. & Gutberlet, Ronald L.', 1],
    ['Hernandez, Tomas & Herr, Mark W. & Stevens, Skyler', 1],
    ['MANNING, GLENN J. & COLE, CHARLES J. & DESSAUER, HERBERT C.', 6]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=12)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 5, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);