function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Ananjeva, Natalia B. & Milto, Konstantin D.', 3],
    ['Bailon, Salvador', 2],
    ['Bailon, Salvador & Aouraghe, Hassan', 1],
    ['Conradie, Werner & Branch, William R. & Watson, Gillian', 11],
    ['Cruz-Rodríguez, Cristian & Lynch, John D. & Cárdenas, Julieth S.', 1],
    ['Delfino, Massimo & Bailon, Salvador & Pitruzzella, Gaetano', 1],
    ['Dubois, Alain & Bour, Roger', 1],
    ['Duszynski, Donald W. & Bolek, Matthew G. & Upton, Steve J.', 1],
    ['Elmberg, Johan', 1],
    ['Laurenti, Joseph Nicolas', 8],
    ['Lavilla, Esteban O. & Rabanal, Felipe E. & Langone, José A.', 2],
    ['Matsui, Masafumi', 2],
    ['Miracle, Eulàlia Gassó & Van, Lars W. & Ostende, Den Hoek', 14],
    ['Teynié, Alexandre & David, Patrick & Ohler, Annemarie', 2],
    ['Vanzolini, Paulo E. & Myers, Charles W.', 5],
    ['Other (9)', 9]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=64)',
    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);