function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Camper, Jeffrey D. & Torres-Carvajal, Omar & Ron, Santiago R.', 3],
    ['Citeli, Nathalie & Hamdan, Breno & Guedes, Thais', 2],
    ['Cole, Charles J.', 1],
    ['Cruz-Rodríguez, Cristian & Lynch, John D. & Cárdenas, Julieth S.', 2],
    ['Di-Bernardo, Marcos & Borges-Martins, Marcio', 1],
    ['Feitosa, Darlan Tavares & Jr, Nelson Jorge Da Silva', 2],
    ['Feitosa, Darlan Tavares & Prudente, Ana Lúcia Da Costa', 1],
    ['Guedes, Thaís B. & Nogueira, Cristiano & Marques, Otavio A. V.', 4],
    ['Ivanov, Martin', 1],
    ['Ivanov, Martin & Böhme, Madelaine', 1],
    ['Nascimento, Lywouty R. S. & Silva Jr, Nelson J.', 2],
    ['Nogueira, Cristiano C. & Argôlo, Antonio J. S.', 32],
    ['Passos, Paulo & Fernandes, Daniel S.', 5],
    ['Pires, Matheus Godoy & Jr, Nelson Jorge Da Silva', 2],
    ['Waltrick, Camilla Spengler & Giasson, Luís Olímpio Menta', 2],
    ['Other (3)', 3]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=64)',
    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);