function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Else, George R. & Bolton, Barry & Broad, Gavin R.', 4],
    ['Fernández, Fernando & Sarmiento, Carlos E.', 1],
    ['Gadallah, Neveen S. & Brothers, Denis J.', 1],
    ['Guo, Mingxia & Xing, Lida & Wang, Bo & Zhang, Weiwei', 3],
    ['Gusenleitner, J.', 4],
    ['Latreille, Pierre André', 1],
    ['Rozen, Jerome G. & Kamel, Soliman M.', 1],
    ['Schedl, Wolfgang', 2],
    ['Schmid, C.', 1],
    ['Telfer, Angela C & Young, Monica R & Quinn, Jenna & Perez, Kate', 1],
    ['Yildirim, E.', 1],
    ['Yildirim, Erol', 1],
    ['Yildirim, Erol & Tezcan, Serdar', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=22)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 13, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);