function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Edward, Karen L. & Harvey, Mark S.', 30],
    ['Edward, Karen Louise & Harvey, Mark S.', 2],
    ['Korsós, Zoltán & Read, Helen J.', 3],
    ['MESIBOV, ROBERT', 4],
    ['Mauriès, Jean-Paul & Golovatch, Sergei I. & Hoffman, Richard L.', 1],
    ['Mesibov, Robert', 19]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=59)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 6, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);