function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Allain, Ronan & Vullo, Romain & Rozada, Lee & Anquetin, Jérémy', 1],
    ['Brownstein, Chase Doran', 21],
    ['Carpenter, Kenneth', 1],
    ['Cope, E. D.', 2],
    ['Currie, P. J.', 2],
    ['Currie, Philip J.', 1],
    ['Hendrickx, Christophe & Mateus, Octávio', 1],
    ['Holtz, TR jr.', 2],
    ['Kenneth Carpenter & D. Bruce Young', 1],
    ['Lee, Sungjin & Lee, Yuong-Nam & Currie, Philip J.', 2],
    ['Matthew, W. D., & Brown, B.', 7],
    ['Nesbitt, Sterling J.', 1],
    ['Norell, Mark A. & Clark, James M. & Turner, Alan H.', 1],
    ['Rauhut, Oliver W. M.', 2],
    ['Sahni, Ashok', 1],
    ['Other (4)', 4]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=50)',
    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);