function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Canejo, Rafael P. R. & Melo, Alan Lane De', 3],
    ['Cordeiro, Isabelle R S & Moreira, Felipe F F', 2],
    ['Dias-Silva, Karina & Moreira, Felipe Ferraz Figueiredo', 5],
    ['Kment, Petr & Kolínová, Zdislava', 2],
    ['Krüger, Andreas & Deckert, Jürgen', 2],
    ['Mazzucconi, Silvia Ana & Reyes, Cristina Armúa De', 2],
    ['Moreira, Felipe Ferraz Figueiredo & Barbosa, Julianna Freires', 5],
    ['Moreira, Felipe Ferraz Figueiredo & Rodrigues, Higor D. D.', 2],
    ['Moreno-R., Claudia & Molina-J., Wendy', 2],
    ['Motta, Flávia Souza Da & Moreira, Felipe Ferraz Figueiredo', 2],
    ['Rodrigues, Juliana Mourão Dos Santos', 4],
    ['Rodrigues, Juliana Mourão Dos Santos & Nery, Leticia', 4],
    ['Takiya, Daniela Maeda & Santos, Allan Paulo Moreira', 4],
    ['Usinger, Robert L.', 3],
    ['Zettel, Herbert & Tran, A. D.', 3],
    ['Other (12)', 16]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=61)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 16, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);