function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Andréfouët, Serge & Chen, Wei-Jen & Kinch, Jeff & Mana, Ralph', 3],
    ['Bariche, Michel & Fricke, Ronald', 1],
    ['Bleeker, Pieter', 8],
    ['Bloch, Marcus Elieser & Schneider, J. G.', 1],
    ['Bonnaterre, Joseph Pierre', 1],
    ['Curtiss, A.', 1],
    ['Du, Jianguo & Loh, Kar-Hoe & Hu, Wenjia & Zheng, Xinqing', 1],
    ['Fowler, Henry Weed', 1],
    ['Jenkins, O. P.', 2],
    ['Linnaeus, Carolus', 11],
    ['Patankar, Vardhan & Paranjape, Akhila & Tyabji, Zoya', 2],
    ['Phillipps, W. J.', 3],
    ['Seale, A.', 2],
    ['Shaw, George & Nodder, Frederick Polydore', 2],
    ['von Bonde, C.', 3],
    ['Other (13)', 13]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=55)',
    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);