function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Coelho, Fernanda L. & Chamon, Carine C.', 1],
    ['Eigenmann, C. H. & Allen, W. R.', 1],
    ['Fowler, Henry Weed', 2],
    ['Gill, T. N.', 1],
    ['Hoedeman, J. J.', 1],
    ['Kner, R.', 2],
    ['Rössel, F.', 1],
    ['Sarmento-Soares, Luisa Maria & Birindelli, José Luís Olivan', 1],
    ['Sarmento-Soares, Luisa Maria & Cabeceira, Fernando G.', 1],
    ['Sarmento-Soares, Luisa Maria & Lazzarotto, Henrique', 1],
    ['Soares-Porto, L. M.', 1],
    ['Steindachner, F.', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=14)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 12, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);