function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Broad, Gavin R. & Livermore, Laurence', 6],
    ['Chen, Hua-yan & Turrisi, Giuseppe Fabrizio & Xu, Zai-fu', 27],
    ['Engel, Michael S.', 5],
    ['F, Giuseppe', 2],
    ['Ghahari, Hassan & Madl, Michael', 5],
    ['Guo, Mingxia & Xing, Lida & Wang, Bo & Zhang, Weiwei', 6],
    ['Jennings, John T. & Austin, Andrew D.', 6],
    ['Konishi, Kazuhiko & Matsumoto, Rikio', 3],
    ['Moghaddam, Mostafa Ghafouri & Turrisi, Giuseppe Fabrizio', 5],
    ['Pham, Nhi Thi & Long, Khuat Dang & Dzuong, Nguyen Van', 19],
    ['Published, First', 21],
    ['Ramage, Thibault & Jouault, Corentin', 7],
    ['Smith, David R.', 35],
    ['Turrisi, Giuseppe Fabrizio & Smith, David R.', 26],
    ['Watanabe, Kyohei & Konishi, Kazuhiko', 3],
    ['Other (9)', 13]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=189)',
    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);