function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['E, Dane & Ruhberg, Hilke & Daniels, Savel R.', 4],
    ['Mayer, Georg', 1],
    ['Pocock, Reginald Innes', 2],
    ['Reid, Amanda', 3],
    ['Ruhberg, Hilke & Hamer, Michelle L.', 2],
    ['Ruhberg, Hilke & Mesibov, Robert & Briscoe, David A.', 2],
    ['Sato, Shoyo & Buckman-Young, Rebecca S. & Harvey, Mark S.', 3],
    ['Spencer, Baldwin', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=18)',
    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);