function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Andréfouët, Serge & Chen, Wei-Jen & Kinch, Jeff & Mana, Ralph', 6],
    ['Das, M. K. & Nelson, Joseph S.', 1],
    ['Fricke, Ronald & Allen, Gerald R. & Andréfouët, Serge', 1],
    ['Ginsburg, I.', 2],
    ['Golani, Daniel & Fricke, Ronald', 1],
    ['Günther, Albert Charles Lewis Gotthilf', 1],
    ['Ho, Hsuan-Ching & Shao, Kwang-Tsao', 1],
    ['Kao, H. - W. & Shen, Shih-Chieh', 1],
    ['LARSON, HELEN K. & WILLIAMS, REX S. & HAMMER, MICHAEL P.', 1],
    ['Laan, Richard Van Der & Eschmeyer, William N. & Fricke, Ronald', 2],
    ['Lin, Chien-Hsiang & Nolf, Dirk', 1],
    ['Nelson, Joseph S.', 5],
    ['Norman, J. R.', 2],
    ['Thompson, B. A. & Suttkus, R. D.', 3],
    ['Van Hinsbergh, Victor W. M. & Helwerda, Renate A.', 2],
    ['Other (7)', 7]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=37)',
    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);