function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Annandale, N.', 26],
    ['Barnard, Keppel Harcourt', 13],
    ['Chan, Benny K. K. & Dreyer, Niklas & Gale, Andy S.', 25],
    ['Chan, Benny K. K. & Prabowo, Romanus Edy & Lee, Kwen-Shen', 12],
    ['Darwin, Charles Robert', 33],
    ['Gale, Andrew Scott', 11],
    ['Gruvel, A.', 18],
    ['Hoek, Paulus Peronius Cato', 48],
    ['Newman, William A. & Ross, A.', 14],
    ['Nilsson-Cantell, C. a.', 18],
    ['Pilsbry, Henry A.', 74],
    ['Shahdadi, Adnan & Sari, Alireza & Naderloo, Reza', 14],
    ['Shalaeva, Kate & Boxshall, Geoff', 55],
    ['Withers, T. H.', 37],
    ['Young, Paulo S.', 44],
    ['Other (108)', 293]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=735)',
    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);