function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bueno, Veronica M. & Caira, Janine N.', 7],
    ['Caira, Janine N. & Bueno, Veronica & Jensen, Kirsten', 9],
    ['Caira, Janine N. & Jensen, Kirsten', 5],
    ['Cutmore, Scott C. & Bennett, Michael B & Miller, Terrence L.', 4],
    ['Garcia Facal, Guillermina & Ivanov, Veronica A.', 3],
    ['Hernández-Orts, Jesús S. & Viola, M. Natalia Paso', 2],
    ['Jensen, Kirsten & Pen, Isabel A. M. & Caira, Janine N.', 4],
    ['Linton, E.', 3],
    ['Lunaschi, Lia I. & Álvarez, Victor Hugo Merlo', 1],
    ['Luque, José L. & Muniz-Pereira, Luís C. & Siciliano, Salvatore', 2],
    ['Muniz-Pereira, Luís C. & Vieira, Fabiano M. & Luque, José L.', 3],
    ['Suriano, Delia Mabel & Labriola, Juliana Beatriz', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=44)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 12, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);