function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Andersen, Michael J. & Fatdal, Lilly & Mauck III, William M.', 1],
    ['Barcelos, Luis MD & Rodrigues, Pedro R & Bried, Joel', 4],
    ['Boano, Giovanni & Belemsobgo, Urbain & Silvano, Fabrizio', 8],
    ['Boddaert, Pieter', 2],
    ['Callaghan, Corey T. & Kekeubata, Esau & Waneagea, Jackson', 3],
    ['Cibois, Alice & Vallotton, Laurent & Othman, Nagwa', 1],
    ['Fernandez, Juan Manuel & Thomann, Luz & Fandiño, Blas', 1],
    ['Fischer, Wagner & Faria de Godoi, Raquel', 1],
    ['Frahnert, Sylke & Turner, Donald A. & Bracker, Cordula', 1],
    ['Gmelin, Johann Friedrich', 21],
    ['Gray, George Robert', 1],
    ['Jansen, Justin J. F. J.', 2],
    ['Kumar Arya, Sumit & Gopi, Govindan Veeraswami', 2],
    ['Lesson, René Primevère', 2],
    ['Linnaeus, Carolus', 8],
    ['Other (8)', 8]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=66)',
    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);