function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bauchot, Marie-Louise & Maugé, A.', 1],
    ['Bleeker, Pieter', 4],
    ['Fowler, Henry Weed', 1],
    ['Herre, Albert W. C. T.', 1],
    ['Hibino, Yusuke & Ho, Hsuan-Ching & Mccosker, John E.', 2],
    ['Hibino, Yusuke & Kimura, Seishi', 2],
    ['Ho, Hsuan-Ching & Smith, David G. & Mccosker, John E.', 5],
    ['Jordan, David Starr & Snyder, John Otterbein', 3],
    ['Machida, Yoshihiko & Ohta, Suguru', 1],
    ['Macleay, William John', 1],
    ['McCosker, John E. & Parin, Nik V.', 1],
    ['Peters, Wilhelm Carl Hartwig', 1],
    ['Regan, C. T.', 1],
    ['Schultz, Leonard P.', 1],
    ['Schultz, Leonard P. & Woods, Loren P.', 1],
    ['Other (6)', 6]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=32)',
    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);