function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Asenjo, Angelico & Ribeiro-Costa, Cibele S.', 2],
    ['Asenjo, Angélico & e, Sistemática & de, Bioecologia & Coleoptera', 3],
    ['Chatzimanolis, Stylianos', 10],
    ['Hoyos-Benjumea, Daniela & López-García, Margarita M.', 2],
    ['Kleman-Junior, Louri & Barroso, Paulo Ricardo Ramires', 2],
    ['Navarrete-Heredia, José Luis & Gómez-Rodríguez, Cecilia', 1],
    ['Pablo-Cea, José D. & Asenjo, Angélico', 1],
    ['Ribeiro-Costa, Cibele S. & Almeida, Lúcia M. & Caron, Edilson', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=23)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 8, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);