function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Araujo-Vieira, Katyuscia & Lacerda, João Victor A.', 1],
    ['Caramaschi, Ulisses & Almeida, Antonio De Pádua', 2],
    ['Duellman, William E. & Marion, Angela B. & Hedges, Blair', 1],
    ['FAIVOVICH, JULIÁN & HADDAD, CÉLIO F. B. & GARCIA, PAULO C. A.', 1],
    ['Manzano, Maria Carolina Rodella & Takeno, Michele Fernandes', 1],
    ['Schiesari, Luis & Rossa-Feres, Denise De Cerqueira', 3],
    ['Toledo, Luís Felipe & Garcia, Paulo C. A. & Lingnau, Rodrigo', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=11)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 7, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);