function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Cabezudo, Baltasar & Solanas, Federico Casimiro-Soriguer', 292],
    ['De Moraes, Gilberto J. & Britto, Erika P. J.', 1089],
    ['Else, George R. & Bolton, Barry & Broad, Gavin R.', 306],
    ['Hess, Hans Ernst & Landolt, Elias & Hirzel, Rosmarie', 840],
    ['Info Flora', 904],
    ['Jarvis, Charlie', 2000],
    ['Konrad Lauber & Gerhart Wagner & Andreas Gygax', 647],
    ['Laguerre, Michel', 2385],
    ['Lhomme, Patrick', 462],
    ['Linnaeus, Carolus', 928],
    ['Londt, Jason G. H.', 472],
    ['Portman, Zachary M. & Gardner, Joel & Lane, Ian G.', 282],
    ['Risch, Stephan & Roberts, Stuart P. M. & Smit, Jan', 275],
    ['Vivallo, Felipe', 372],
    ['Zhou, Ya-Dong & Mwachala, Geoffrey & Hu, Guang-Wan', 320],
    ['Other (6301)', 44927]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=56501)',
    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);