function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Andréfouët, Serge & Chen, Wei-Jen & Kinch, Jeff & Mana, Ralph', 2],
    ['Angulo, Arturo & Baldwin, Carole C. & Robertson, D. Ross', 2],
    ['Carneiro, Miguel & Martins, Rogélia & Landi, Monica', 30],
    ['Fowler, Henry Weed', 2],
    ['Gill, T. N.', 2],
    ['Gill, T. N. & Townsend, C. H.', 2],
    ['Goode, G. B. & Bean, T. H.', 6],
    ['Günther, Albert Charles Lewis Gotthilf', 4],
    ['Koefoed, E.', 3],
    ['Lloyd, R. E.', 2],
    ['Love, Milton S. & Bizzarro, Joseph J. & Cornthwaite, Maria', 15],
    ['Parr, A. E.', 14],
    ['Sazonov, Yu. I.', 6],
    ['Sazonov, Yu. I. & Ivanov, A. N.', 3],
    ['Simian, Gaëlle & Abraham, Daniel & Bailly, Nicolas', 2],
    ['Other (31)', 33]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=128)',
    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);