function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bray, Rodney A. & Gibson, David Ian', 1],
    ['Fukui, T. & Ogata, T.', 1],
    ['Hanson, Mary Louise', 1],
    ['Korotaeva, V. D.', 1],
    ['Looss, A.', 1],
    ['Manter, Harold W.', 1],
    ['Noble, Alden E. & Noble, Glenn A.', 1],
    ['Odhner, T.', 3],
    ['Parukhin, A M', 1],
    ['Robinson, V. C.', 1],
    ['Shen, J. - w. & Tung, Yungyung', 1],
    ['Skrjabin, K. I. & Guschanskaja, L. H.', 1],
    ['Tkachuk, L. P.', 1],
    ['Wang, P. - q.', 1],
    ['Yamaguti, S.', 2],
    ['Other (1)', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=19)',
    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);