function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Acosta, Luis E. & Guerrero, Elián L.', 2],
    ['Hara, Marcos Ryotaro & Pinto-Da-Rocha, Ricardo', 37],
    ['Júnior, Gilson Argolo dos Santos & Ázara, Ludson Neves de', 3],
    ['Saraiva, Nícolas Eugenio De Vasconcelos', 1],
    ['de Azara, Ludson Neves & Bernardi, Leopoldo Ferreira de Oliveira', 4],
    ['Ázara, Ludson Neves De & Ferreira, Rodrigo Lopes', 11]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=58)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 6, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);