function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Abello, María Alejandra & Martin, Gabriel M. & Cardoso, Yamila', 15],
    ['Albuja V., Luis & Patterson, Bruce D', 1],
    ['Alfred L. Gardner', 9],
    ['Anthony, H. E.', 2],
    ['Beck, Robin M. D. & Voss, Robert S. & Jansa, Sharon A.', 4],
    ['James H. Honacki & Kenneth E. Kinman & James W. Koeppl', 11],
    ['Ladevèze, Sandrine', 3],
    ['Lee Jr, Thomas E. & Tinoco, Nicolas & Crockett, Seth C.', 1],
    ['MacPhee, Ross D. E. & Gaillard, Charlène & Forasiepi, Analía M.', 1],
    ['Ojala-Barbour, R & Pinto, C. Miguel & Brito M., Jorge', 1],
    ['Russell A. Mittermeier & Don E. Wilson', 8],
    ['Thomas, Oldfield', 3],
    ['VOSS, ROBERT S.', 1],
    ['Wilson, Don E. & Reeder, DeeAnn', 13]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=73)',
    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);