function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Angulo, Arturo', 1],
    ['Bailey, Reeve M. & Hubbs, Carl L.', 1],
    ['Baker, Winston H. & Blanton, Rebecca E. & Johnston, Carol E.', 6],
    ['Baker, Winston H. & Johnston, Carol E. & Folkerts, George W.', 2],
    ['Chan, Jeffery C. F. & Tsang, Alphonse H. F. & Yau, Sze-man', 1],
    ['Hubbs, Carl L.', 1],
    ['Miyazaki, Yusuke & Nakae, Masanori & Senou, Hiroshi', 2],
    ['Williams, J. D. & Burgess, George H.', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=15)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 8, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);