function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Baehr, Barbara C. & Raven, Robert & Harms, Danilo', 3],
    ['Berry, James W. & Beatty, Joseph A.', 1],
    ['Bryant, Elizabeth B.', 1],
    ['Dalmas, Raymond de', 2],
    ['Eugene Simon', 2],
    ['Forster, Raymond Robert', 2],
    ['Forster, Raymond Robert & Wilton, Cecil Louis', 7],
    ['Gorneau, Jacob A. & Crews, Sarah C. & Cala-Riquelme, Franklyn', 1],
    ['Gray, Michael R.', 6],
    ['Haddad, Charles R. & Marusik, Yuri M.', 1],
    ['Humphrey, Margaret', 10],
    ['Leschen, Richard A. B. & Lord, Nathan P.', 2],
    ['Morrill, Elizabeth & Crews, Sarah & Esposito, Lauren', 16],
    ['Smith, Helen M.', 3],
    ['Vink, Cor J. & Fitzgerald, Brian M. & Sirvid, Phil J.', 6],
    ['Other (4)', 4]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=67)',
    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);