function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Araújo, Marcel Santos De & Feres, Reinaldo José Fazzio', 1],
    ['Argolo, Poliane Sá & Vital Santos, Renata M.', 7],
    ['Cavalcante, Ana Cristina Cerqueira & Demite, Peterson Rodrigo', 1],
    ['Demite, Peterson R. & Lofego, Antonio C. & Feres, Reinaldo J. F.', 1],
    ['Ferla, Noeli Juarez & Johann, Liana & Klock, Crisna', 2],
    ['Ferragut, Francisco & Moraes, Gilberto Jose & Navia, Denise', 1],
    ['Flechtmann, Carlos H. W. & Etienne, Jean', 1],
    ['Furtado, I. P. & de Moraes, G. J. & Kreiter, S.', 1],
    ['Gonçalves, Dinarte & Cunha, Uemerson Silva Da', 1],
    ['Gonçalves, Dinarte & Silva, Guilherme Liberato Da', 2],
    ['Lofego, Antonio Carlos & Barbosa, Marina Ferraz De Camargo', 15],
    ['Mineiro, Jeferson Luiz De Carvalho', 2],
    ['Moraes, Gilberto José De & Barbosa, Marina Ferraz De Camargo', 2],
    ['Nuvoloni, Felipe Micali & Lofego, Antonio Carlos', 2],
    ['de Souza, Izabel Vieira & Sa Argolo, Poliane', 3],
    ['Other (7)', 7]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=49)',
    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);