function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Borelli, Alfredo', 1],
    ['Brindle, A.', 5],
    ['Burr, Malcolm', 2],
    ['García-París, Mario', 1],
    ['Herhold, Hollister W & Davis, Steven R & Degrey, Samuel P', 1],
    ['Miles, Claire', 21],
    ['Nishikawa, Masaru', 1],
    ['Sakenin, H. & Samin, N. & Imani, S. & Rastegari, J.', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=33)',
    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);