function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Fischoeder, F.', 1],
    ['Fugassa, Martin H.', 1],
    ['García-Prieto, Luis & Falcón-Ordaz, Jorge', 1],
    ['Hanson, Mary Louise', 1],
    ['Lenis, Carolina & Vélez, Imelda', 3],
    ['Linton, E.', 1],
    ['Lopes, Daniela A. & Mainenti, Adriana & Knoff, Marcelo', 2],
    ['Lunaschi, Lia I. & Álvarez, Victor Hugo Merlo', 2],
    ['Lunaschi, Lía I. & Drago, Fabiana B.', 2],
    ['Margarita Ostrowski de Núñez & Nathalia J. Arredondo', 3],
    ['Muniz-Pereira, Luís C. & Vieira, Fabiano M. & Luque, José L.', 2],
    ['Paredes-León, Ricardo & García-Prieto, Luis', 5],
    ['Pinto, Hudson Alves & Melo, Alan Lane De', 1],
    ['Xue, Xiao-Feng & Song, Zi-Wei & Hong, Xiao-Yue', 7]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=32)',
    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);