function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Aquino, A. E. & Schaefer, S. A. & Miquelarena, Amalia M.', 1],
    ['Bertaco, Vinicius A. & Azevedo, Marco A.', 2],
    ['Boeseman, M.', 1],
    ['Britski, H. A. & Garavello, J. C.', 2],
    ['Carvalho, Tiago P. & Reis, Roberto E.', 7],
    ['Carvalho, Tiago Pinto & Reis, Roberto E.', 12],
    ['Cope, Edward Drinker', 2],
    ['De Oliveira, Rianne C. & Ota, Renata R. & Deprá, Gabriel C.', 7],
    ['Dias, Angelica C. & Silva, Gabriel S. C. & Oliveira, Claudio', 1],
    ['Eigenmann, C. H. & Eigenmann, Rosa Smith', 2],
    ['Garavello, J. C.', 7],
    ['Langeani, Francisco', 2],
    ['Martins, Fernanda O. & Langeani, Francisco', 2],
    ['Reia, Lais & S. da Costa e Silva, Gabriel', 2],
    ['Roxo, Fabio F. & Zawadzki, Claudio H. & Troy, Waldo P.', 2],
    ['Other (8)', 8]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=60)',
    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);