function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Ahyong, Shane T.', 121],
    ['Anker, Arthur', 188],
    ['Baba, Keiji', 167],
    ['Baba, Keiji & Macpherson, Enrique & Poore, Gary C. B.', 449],
    ['Bruce, A. J.', 154],
    ['Castro, Peter', 592],
    ['Coelho, Petrônio Alves & Almeida, Alexandre Oliveira De', 269],
    ['Filho, Petrônio Alves Coelho', 131],
    ['Komai, Tomoyuki', 137],
    ['Macpherson, Enrique & Robainas-Barcia, Aymee', 156],
    ['Mantelatto, Fernando L. & Tamburus, Ana Francisca', 166],
    ['Martin, Joel W. & Haney, Todd A.', 130],
    ['Naderloo, Reza & Türkay, Michael', 147],
    ['Van Bakel, Barry W. M. & Guinot, Danièle & Artal, Pedro', 128],
    ['Wicksten, Mary K.', 408],
    ['Other (1588)', 10650]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=13993)',
    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);