function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Aizawa, Masahiro', 1],
    ['Andréfouët, Serge & Chen, Wei-Jen & Kinch, Jeff & Mana, Ralph', 5],
    ['Baird, R. C.', 5],
    ['Borodulina, O. D.', 3],
    ['Carneiro, Miguel & Martins, Rogélia & Landi, Monica', 1],
    ['Fowler, Henry Weed', 1],
    ['Günther, Albert Charles Lewis Gotthilf', 1],
    ['Harold, Antony S.', 2],
    ['Harold, Antony S. & Kemp, Iris M. & Shore, Sarah K.', 1],
    ['Harold, Antony S. & Wessel, J. H. & Johnson, R. K.', 1],
    ['Jordan, David Starr & Starks, E. C.', 1],
    ['Last, Peter R. & Harold, Antony S.', 1],
    ['Lima, Adriano T. & Costa, Paulo A. S. & Braga, Adriana C.', 1],
    ['Schultz, Leonard P.', 5],
    ['Van Hinsbergh, Victor W. M. & Helwerda, Renate A.', 2],
    ['Other (3)', 3]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=34)',
    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);