function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Callaghan, Christopher B. & Png, Siak K.', 26],
    ['Chaowasku, T & Johnson, DM & van der Ham, RWJM & Chatrou, LW', 28],
    ['Couvreur, Thomas L. P. & Dagallier, Leo-Paul M. J.', 198],
    ['Dagallier, Leo-Paul M. J. & Mbago, Frank M. & Couderc, Marie', 51],
    ['Diels, Friedrich Ludwig Emil', 16],
    ['Jarvis, Charlie', 25],
    ['Johnson, David M. & Murray, Nancy A.', 88],
    ['Linnaeus, Carolus', 17],
    ['Molino, Jean-François & Sabatier, Daniel & Grenand, Pierre', 86],
    ['Pirie, Michael D. & Chatrou, Lars W. & Maas, Paul J. M.', 35],
    ['Santamaria-Aguilar, Daniel & Aguilar, Reinaldo', 14],
    ['Sinclair, John', 16],
    ['Turner, I. M.', 37],
    ['Turner, Ian M. & Utteridge, Timothy M. A.', 105],
    ['de Wilde, Willem Jan Jacobus Oswald', 58],
    ['Other (128)', 394]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=1194)',
    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);