function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Ceríaco, Luis M. P. & Santos, Bruna S. & Semedo, Thiago B. F.', 2],
    ['Díaz de Astarloa, Juan M. & Munroe, Thomas A. & Béarez, Philippe', 2],
    ['Gilbert, Charles H.', 1],
    ['Goode, G. B. & Bean, T. H.', 1],
    ['Jordan, David Starr & Evermann, Barton Warren', 1],
    ['Jordan, David Starr & Gilbert, Charles H.', 3],
    ['Jordan, David Starr & Goss, D. K.', 1],
    ['Jordan, David Starr & Meek, S. E.', 1],
    ['Love, Milton S. & Bizzarro, Joseph J. & Cornthwaite, Maria', 3],
    ['Miranda-Ribeiro, A. de', 1],
    ['Soricetti, Mariano & Morawicki, Santiago', 1],
    ['Steindachner, F.', 1],
    ['Voronina, Elena P. & Volkova, Galina A.', 1],
    ['Waite, E. R.', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=20)',
    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);