function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Allen, Gerald R. Dr.', 1],
    ['Andréfouët, Serge & Chen, Wei-Jen & Kinch, Jeff & Mana, Ralph', 5],
    ['Anthony C. Gill & Gerald R. Allen', 2],
    ['Aoyagi, H.', 2],
    ['Arnoult, J. & Bauchot-Boutin, M. - L. & Roux-Estève, R.', 1],
    ['Axelrod, H. R.', 1],
    ['Bleeker, Pieter', 2],
    ['Du, Jianguo & Loh, Kar-Hoe & Hu, Wenjia & Zheng, Xinqing', 1],
    ['Gill, Anthony C. & Allen, Gerald R.', 3],
    ['Gill, Anthony C. & Allen, Gerald R. & Erdmann, Mark', 5],
    ['Gill, Anthony C. & Allen, Gerald R. & Erdmann, Mark V.', 1],
    ['Gill, Anthony C. & Randall, John Ernest Dr.', 4],
    ['Gill, Anthony C. & Zajonz, Uwe', 7],
    ['Herre, Albert W. C. T.', 4],
    ['Lubbock, Roger', 10],
    ['Other (17)', 17]
  ]);
  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);