function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bezerra, Alexandra M. R. & Marinho-Filho, Jader', 1],
    ['Colombo, Guthieri T. & Di Ponzio, Raffaello & Benchimol, Maíra', 1],
    ['Don E. Wilson & Russell A. Mittermeier', 16],
    ['DÁVALOS, LILIANA M.', 4],
    ['García-Prieto, Luis & Falcón-Ordaz, Jorge', 4],
    ['Hemming, Francis', 3],
    ['James H. Honacki & Kenneth E. Kinman & James W. Koeppl', 11],
    ['Karl F. Koopman', 11],
    ['Morgan, Gary S. & Czaplewski, Nicholas J. & Simmons, Nancy B.', 8],
    ['Pavan, Ana C & Marroig, Gabriel', 1],
    ['Pavan, Ana Carolina & Cadenillas, Richard & Centty, Oscar', 3],
    ['Simmons, Nancy B. & Voss, Robert S.', 2],
    ['Turni, Hendrik & Kock, Dieter', 3],
    ['Velazco, Paúl M. & O\'Neill, Hannah & Gunnell, Gregg F.', 3],
    ['Wilson, Don E. & Reeder, DeeAnn', 24],
    ['Other (2)', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=97)',
    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);