function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Baer, J. G.', 1],
    ['Dollfus, R. P.', 1],
    ['Drago, Fabiana B. & Lunaschi, Lía I. & Draghi, Regina', 1],
    ['Goto, Seitaro & Ozaki, Yoshimasa', 1],
    ['Haderlie, E. C.', 2],
    ['Hughes, R. C.', 1],
    ['Kaw, B. L.', 3],
    ['Moore, Charles', 2],
    ['Mueller, Justus F. & Van Cleave, H. J.', 1],
    ['Muniz-Pereira, Luís C. & Vieira, Fabiano M. & Luque, José L.', 1],
    ['Paredes-León, Ricardo & García-Prieto, Luis', 2],
    ['Rankin, John S.', 1],
    ['Schrank, Franz von Paula', 1],
    ['Tubangui, Marcos A.', 2],
    ['Yamaguti, S.', 2],
    ['Other (3)', 3]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=25)',
    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);