function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Andréfouët, Serge & Chen, Wei-Jen & Kinch, Jeff & Mana, Ralph', 15],
    ['Gill, Anthony C. & Jewett, Susan L.', 2],
    ['Giltay, L.', 2],
    ['Greenfield, David W. & Bogorodsky, Sergey V. & Mal, Ahmad O.', 2],
    ['Greenfield, David W. & Erdmann, Mark V.', 4],
    ['Greenfield, David W. & Jewett, Susan L.', 8],
    ['Greenfield, David W. & Randall, John E.', 2],
    ['Greenfield, David W. & Randall, John Ernest Dr.', 6],
    ['Greenfield, David W. & Suzuki, Toshiyuki', 5],
    ['Greenfield, David W. & Suzuki, Toshiyuki & Shibukawa, Koichi', 2],
    ['Greenfield, David W. & Winterbottom, Richard', 3],
    ['Greenfield, David W. Dr. & Randall, John Ernest Dr.', 2],
    ['Jewett, Susan L. & Lachner, Ernest A.', 3],
    ['Jordan, David Starr & Seale, A.', 2],
    ['Lachner, Ernest A. & Karnella, S. J.', 6],
    ['Other (21)', 25]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=89)',
    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);