function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Alcock, Alfred William', 1],
    ['Andréfouët, Serge & Chen, Wei-Jen & Kinch, Jeff & Mana, Ralph', 2],
    ['Annandale, N. & Jenkins, J. T.', 1],
    ['Bradbury, Margaret G.', 12],
    ['Bradbury, Margaret G. & McCosker, John E. & Long, Douglas J.', 2],
    ['Brauer, A.', 1],
    ['Ho, Hsuan-Ching', 5],
    ['Ho, Hsuan-Ching & Koeda, Keita', 2],
    ['Ho, Hsuan-Ching & Last, Peter R.', 8],
    ['Ho, Hsuan-Ching & Roberts, Clive D. & Shao, Kwang-Tsao', 6],
    ['Ho, Hsuan-Ching & Shao, Kwang-Tsao', 2],
    ['Lloyd, R. E.', 2],
    ['Love, Milton S. & Bizzarro, Joseph J. & Cornthwaite, Maria', 3],
    ['Radcliffe, L.', 5],
    ['Smith-Vaniz, William F. & Jelks, Howard L.', 2],
    ['Other (18)', 18]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=72)',
    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);