function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Arens, Werner', 4],
    ['Danilov, Yuriy N.', 41],
    ['Dollfuss, H.', 81],
    ['Dollfuss, Hermann', 7],
    ['Dаnilov, Yuriy N.', 4],
    ['Eaumont', 67],
    ['Else, George R. & Bolton, Barry & Broad, Gavin R.', 6],
    ['Gadallah, Neveen S.', 22],
    ['Jacobs, Hans-Joachim & Liebig, Wolf-Harald', 8],
    ['Jahantigh, Fatemeh & Rakhshani, Ehsan & Mokhtari, Azizollah', 25],
    ['Khedher, Hassib Ben & Yildirim, Erol & Braham, Mohamed', 21],
    ['Madl, Michael & D, Chalybion & L, Chlorion & S, Podalonia', 6],
    ['Menke, Arnold S.', 4],
    ['Olszewski, Piotr & Danilov, Yuriy N.', 7],
    ['Walker, Francis', 4],
    ['Other (10)', 16]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=323)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 16, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);