function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['DE CARVALHO, MARCELO R. & MAISEY, JOHN G. & GRANDE, LANCE', 2],
    ['Delsman, N. C.', 1],
    ['Elasmobranch, Its Implications For Global', 1],
    ['Garman, S.', 1],
    ['Hildebrand, S. F.', 2],
    ['Laan, Richard Van Der & Eschmeyer, William N. & Fricke, Ronald', 1],
    ['Love, Milton S. & Bizzarro, Joseph J. & Cornthwaite, Maria', 7],
    ['Miyake, T. & McEachran, J. D.', 1],
    ['Schultz, Leonard P.', 1],
    ['Wallace, J. H.', 1],
    ['Zarco Perello, Salvador & Moreno Mendoza, Rigoberto', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=20)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 11, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);