function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Arai, Mikihito & Fujita, Toshihiko', 5],
    ['Clark, Roger N. & Jewett, Stephen C.', 3],
    ['Cunha, Rosana & Martins, Luciana & Menegola, Carla', 3],
    ['Fassbender, Nico & Stefanoudis, Paris V', 5],
    ['Gerdes, Klaas & Kihara, Terue Cristina & Martinez Arbizu, Pedro', 5],
    ['Gray, John Edward', 3],
    ['Jangoux, Michel', 91],
    ['Kogure, Yoichi & Fujita, Yoshihisa', 2],
    ['Madeira, Patrícia & Kroh, Andreas & Cordeiro, Ricardo', 4],
    ['Mah, Christopher', 9],
    ['Mah, Christopher & Neill, Kate & Eléaume, Marc & Foltz, David', 9],
    ['Mah, Christopher & Nizinski, Martha & Lundsten, Lonny', 31],
    ['Mah, Christopher L.', 237],
    ['Mah, Christopher L. & Kogure, Yoichi & Fujita, Toshihiko', 28],
    ['Zeng, Zhao-Qing & Zheng, Huan-Di & Wang, Xin-Cun', 3],
    ['Other (5)', 5]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=443)',
    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);