function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Arteaga, Alejandro & Batista, Abel', 1],
    ['Arteaga, Alejandro & Salazar-Valenzuela, David & Mebert, Konrad', 7],
    ['CADLE, JOHN E. & MYERS, CHARLES W.', 9],
    ['Camper, Jeffrey D. & Torres-Carvajal, Omar & Ron, Santiago R.', 3],
    ['Cruz-Rodríguez, Cristian & Lynch, John D. & Cárdenas, Julieth S.', 1],
    ['Fernandes, Daniel S. & Marques, Otavio A. V.', 1],
    ['Guedes, Thaís B. & Nogueira, Cristiano & Marques, Otavio A. V.', 2],
    ['Laurenti, Joseph Nicolas', 1],
    ['Lima, Ana Caroline De & Prudente, Ana Lúcia Da Costa', 4],
    ['Nogueira, Cristiano C. & Argôlo, Antonio J. S.', 14],
    ['Passos, Paulo & Fernandes, Ronaldo & Porto, Marcovan', 1],
    ['Ray, Julie M. & Sanchez-Martinez, Paola & Batista, Abel', 1],
    ['Vanzolini, Paulo E. & Myers, Charles W.', 1],
    ['Waltrick, Camilla Spengler & Giasson, Luís Olímpio Menta', 3]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=49)',
    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);