function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Barcelos, Luis MD & Rodrigues, Pedro R & Bried, Joel', 84],
    ['Boano, Giovanni & Belemsobgo, Urbain & Silvano, Fabrizio', 13],
    ['Boie, Friedrich', 5],
    ['Castro-Vargas, Fernando & Cruz-Mendivelso, Yerson', 3],
    ['DYKE, GARETH J.', 4],
    ['Fernandez, Juan Manuel & Thomann, Luz & Fandiño, Blas', 3],
    ['Gonza ́ Lez-Acun, Daniel A. & Palma, Ricardo L.', 5],
    ['Iwaniuk, Andrew N. & Olson, Storrs L. & James, Helen F.', 3],
    ['Linnaeus, Carolus', 52],
    ['Mlíkovský, Jiří & Frahnert, Sylke', 3],
    ['Mourer-Chauviré, Cécile & Geraads, Denis', 5],
    ['Pallas, Peter Simon', 3],
    ['Vieillot, Louis Pierre', 10],
    ['Worthy, Trevor H.', 7],
    ['Worthy, Trevor H. & Tennyson, Alan J. D. & Jones, C', 5],
    ['Other (24)', 32]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=237)',
    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);