function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Andersen, Michael J. & Fatdal, Lilly & Mauck III, William M.', 1],
    ['Boano, Giovanni & Belemsobgo, Urbain & Silvano, Fabrizio', 3],
    ['Boie, Friedrich', 1],
    ['Frahnert, Sylke & Turner, Donald A. & Bracker, Cordula', 1],
    ['Gloger, Constantin Wilhelm Lambert', 1],
    ['Kumar Arya, Sumit & Gopi, Govindan Veeraswami', 1],
    ['Lecroy, Mary', 1],
    ['Mary & Croy', 1],
    ['Pachycephalidae & Aegithalidae & Remizidae & Paridae & Sittidae', 5],
    ['Schoddei, Richard & Christidis, Les', 1],
    ['Vieillot, Louis Pierre', 1],
    ['Vigors, Nicholas Aylward & Horsfield, Thomas', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=19)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 12, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);