function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bryson, Robert W. & Linkem, Charles W. & Dorcas, Michael E.', 2],
    ['Carbajal-Márquez, Rubén Alonso & Cedeño-Vázquez, José Rogelio', 2],
    ['Fischer, Wagner & Faria de Godoi, Raquel', 1],
    ['Flores-Villela, Oscar & Ríos-Muñoz, César A.', 1],
    ['Guedes, Thaís B. & Nogueira, Cristiano & Marques, Otavio A. V.', 1],
    ['Hernandez, Tomas & Herr, Mark W. & Stevens, Skyler', 4],
    ['Linnaeus, Carolus', 4],
    ['Meik, Jesse M. & Schaack, Sarah & Flores-Villela, Oscar', 2],
    ['Nogueira, Cristiano C. & Argôlo, Antonio J. S.', 1],
    ['Palisot de Beauvois, A. M. F. J.', 1],
    ['Peralta-García, Anny & Valdez-Villavicencio, Jorge H.', 1],
    ['Vanzolini, Paulo E. & Myers, Charles W.', 1],
    ['Waltrick, Camilla Spengler & Giasson, Luís Olímpio Menta', 1],
    ['enezes, Frederico de Alcantara & Abegg, Arthur Diesel', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=23)',
    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);