function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Amaral Campos, A.', 2],
    ['Birindelli, José L. O. & Britski, Heraldo A.', 2],
    ['Birindelli, José L. O. & Teixeira, Tulio F.', 2],
    ['Britski, H. A.', 2],
    ['Britski, H. A. & Garavello, J. C.', 2],
    ['Burns, Michael D. & Chatfield, Marcus & Birindelli, José L. O.', 2],
    ['Cope, Edward Drinker', 2],
    ['Eigenmann, C. H. & Ogle, F.', 2],
    ['Fowler, Henry Weed', 5],
    ['Garavello, J. C.', 3],
    ['Garavello, J. C. & dos Santos, Geraldo Mendes', 2],
    ['Ota, Renata Rúbia & Deprá, Gabriel de Carvalho', 7],
    ['Sidlauskas, Brian L & Mol, Jan H. & Vari, Richard P.', 3],
    ['Steindachner, F.', 7],
    ['dos Santos, Sergio Alexandre & de Britto, Marcelo Ribeiro', 4],
    ['Other (30)', 34]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=81)',
    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);