function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['André Luiz G. Carvalho', 3],
    ['Avila, Luciano Javier & Martinez, Lorena Elizabeth', 1],
    ['Barrio-Amorós, César L. & Brewer-Carías, Charles', 1],
    ['Carvalho, André L. G. & Sena, Marco A. & Peloso, Pedro L. V.', 2],
    ['Girard, Charles Frédéric', 3],
    ['Kunz, Tobias Saraiva & Borges-Martins, Márcio', 3],
    ['Köhler, Gunther & Lehr, Edgar', 2],
    ['Murphy, John C. & Jowers, Michael J.', 4],
    ['Olave, Melisa & Avila, Luciano J. & Sites Jr, Jack W.', 3],
    ['Passos, Daniel Cunha & Lima, Daniel Cassiano', 2],
    ['Ribeiro-Júnior, Marco A.', 16],
    ['Uchoa, Lucas Rafael & Delfim, Fagner Ribeiro', 19],
    ['Venegas, Pablo J. & Echevarría, Lourdes Y.', 3],
    ['Venegas, Pablo J. & Garcia-Ayachi, Luis A.', 5],
    ['Venegas, Pablo J. & García-Ayachi, Luis A.', 4],
    ['Other (12)', 12]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=83)',
    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);