function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Acal, Dale Ann P. & Wiesner, Juergen & Nuneza, Olga M.', 4],
    ['Anichtchenko, Alexander & Medina, Milton Norman', 2],
    ['Keller, Oliver & Schnepp, Kyle E. & Ashman, Krystal L.', 3],
    ['Medina, Milton Norman D. & Cabras, Analyn A. & Wiesner, Jürgen', 1],
    ['Medina, Milton Norman D. & Cabras, Analyn D. & Ibanez, Jayson', 3]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=13)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 5, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);