function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Archibald, J. David & Averianov, Alexander', 18],
    ['Carlini, Alfredo A. & Brandoni, Diego & Dal Molin, Carlos N.', 3],
    ['Casali, Daniel M & Boscaini, Alberto & Gaudin, Timothy J', 27],
    ['Gray, John Edward', 3],
    ['Linnaeus, Carolus', 7],
    ['McKENNA, MALCOLM C. & WYSS, ANDRÉ R. & FLYNN, JOHN J.', 4],
    ['R D E Macphee & Jennifer L White & Charles A Woods', 5],
    ['Russell A. Mittermeier & Don E. Wilson', 19],
    ['Saint-André, Pierre-Antoine & Pujos, François & Cartelle, Cástor', 6],
    ['Ting, Suyin & Wang, Xiaoming & Meng, Jin', 4],
    ['VOSS, ROBERT S. & LUNDE, DARRIN P. & SIMMONS, NANCY B.', 4],
    ['Velazco, Paúl M. & Novacek, Michael J.', 9],
    ['Voss, Robert S. & Fleck, David W.', 7],
    ['Wible, JR & Rougier, GW & Novacek, MJ & Asher, RJ', 18],
    ['Wilson, Don E. & Reeder, DeeAnn', 40],
    ['Other (31)', 47]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=221)',
    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);