function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Arens, W.', 9],
    ['Carpenter, James M. & Brown, Graham R.', 20],
    ['Carpenter, James M. & Gadallah, Neveen S.', 9],
    ['Dorji, Phurpa & Nidup, Tshering & Klein, Wim & Dorji, Cheten', 9],
    ['Dvořák, Libor & Roberts, Stuart P. M. & Pla, Šumava Np and', 16],
    ['Gawas, Sandesh M. & Kumar, Girish & Pannure, Arati', 36],
    ['Gudin, Filipe Macedo', 10],
    ['Gusenleitner, J.', 44],
    ['Kojima, Jun-Ichi & Saito, Fuki & Nguyen, Lien Thi Phuong', 18],
    ['Nguyen, Lien Thi Phuong & Kojima, Jun-Ichi & Saito, Fuki', 17],
    ['Rafi, Muhammad Ather & Carpenter Muhammad Qasim, James M.', 12],
    ['Schmid-Egger, Christian & Achterberg, Kees van', 17],
    ['Schulthess Rechinger, A. von', 10],
    ['Selis, Marco', 16],
    ['Somavilla, Alexandre & Oliveira, Marcio Luiz', 58],
    ['Other (45)', 151]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=452)',
    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);