function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Alcock, Alfred William', 2],
    ['Andréfouët, Serge & Chen, Wei-Jen & Kinch, Jeff & Mana, Ralph', 1],
    ['Dollo, L.', 1],
    ['Fourmanoir, Pierre & Rivaton, I.', 1],
    ['Gilbert, Charles H.', 1],
    ['Goode, G. B. & Bean, T. H.', 1],
    ['Günther, Albert Charles Lewis Gotthilf', 2],
    ['Kamohara, T.', 1],
    ['Lin, Chien-Hsiang & Nolf, Dirk', 2],
    ['Mincarone, Michael M. & Nielsen, Jørgen G. & Costa, Paulo A. S.', 4],
    ['Nielsen, Jørgen G.', 12],
    ['Nielsen, Jørgen G. & Retzer, Michael E.', 2],
    ['Nielsen, Jørgen G. & Uiblein, Franz & Mincarone, Michael M.', 6],
    ['Su, Yo & Lin, Hsiu-Chin & Ho, Hsuan-Ching', 2],
    ['Uiblein, Franz & Nielsen, Jørgen G.', 27],
    ['Other (9)', 9]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=74)',
    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);