function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Datta, A. K. & Barman, R. P. & Jayaram, K. C.', 1],
    ['Fowler, Henry Weed', 1],
    ['Heok Hee Ng', 7],
    ['Inger, R. F. & Chin, P. K.', 1],
    ['Ng, Casey Keat Chuan & Lim, Teow Yeong & Ahmad, Amirrudin', 1],
    ['Ng, H. H. Tan H. H.', 8],
    ['Ng, Heok Hee', 1],
    ['Ng, Heok Hee & Kottelat, Maurice', 2],
    ['Ng, Heok Hee & Wirjoatmodjo, S. & Hadiaty, R. K.', 1],
    ['Roberts, Tyson R.', 1],
    ['Smith, H. M.', 1],
    ['Sulaiman, Zohrah & Hui, Tan Heok & Lim, Kelvin Kok Peng', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=26)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 12, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);