function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Arai, Hisao P. & Smith, John W.', 5],
    ['Campião, Karla Magalhães & Morais, Drausio Honorio', 1],
    ['Drago, Fabiana B. & Núñez, Verónica & Díaz, Mariano Dueñas', 9],
    ['Dronen, Norman O. & Blend, Charles K. & Gardner, Scott L.', 1],
    ['Garrido-Olvera, Lorena & García-Prieto, Luis', 2],
    ['González, Cynthya Elizabeth & Inés, Hamann Monika', 1],
    ['Hernández-Orts, Jesús S. & Viola, M. Natalia Paso', 10],
    ['Lunaschi, Lia I. & Álvarez, Victor Hugo Merlo', 2],
    ['Luque, José L. & Muniz-Pereira, Luís C. & Siciliano, Salvatore', 1],
    ['Muniz-Pereira, Luís C. & Vieira, Fabiano M. & Luque, José L.', 1],
    ['Paredes-León, Ricardo & García-Prieto, Luis', 1],
    ['Railliet, A. & Henry, A', 1],
    ['Ramallo, Geraldine & Cancino, Fabiana & Ruiz, Ana Lía', 1],
    ['Xue, Xiao-Feng & Song, Zi-Wei & Hong, Xiao-Yue', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=37)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 14, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);