function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Cockerell, Theodore D. A.', 1],
    ['Foldi, Imre & Kozár, Ferenc', 8],
    ['González, Patricia', 3],
    ['Green, E. Ernest', 1],
    ['Henderson, Rosa C. & Sultan, Amir & Robertson, Alastair W.', 1],
    ['Henderson, Rosa Constance Mrs.', 2],
    ['Hodgson, Chris', 3],
    ['Hodgson, Chris & Miller, Dug', 1],
    ['Hodgson, Chris & Trencheva, Katia', 4],
    ['Kozár, Ferenc & Williams, Douglas J.', 2],
    ['Maskell, William Miles', 3],
    ['Mille, Christian & Henderson, Rosa C. & Cazères, Sylvie', 2],
    ['Moghaddam, Masumeh', 10],
    ['Novoa, Nereida Mestre & Hamon, Avas & Evans, Greg', 1],
    ['Williams, Douglas J. & Ben-Dov, Yair', 5],
    ['Other (1)', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=48)',
    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);