function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Czaja, Joanna', 16],
    ['Dursun, A. & Fent, M.', 17],
    ['Ghahari, Hassan & Moulet, Pierre & Rider, David A.', 26],
    ['Heiss, Ernst & AndreasE & Lederwasch, Manfred & RomedU', 94],
    ['Krüger, Andreas & Deckert, Jürgen', 5],
    ['Laterza, Ilaria & Tamburini, Giovanni & Panzarino, Onofrio', 9],
    ['Linnavuori, Rauno E.', 16],
    ['Neimorovets, Vladimir', 7],
    ['Norbiato, Margherita & Dioli, Paride & Cianferoni, Fabio', 4],
    ['Powell, Erin C. & Halbert, Susan E. & Deeter, Lily', 4],
    ['Rédei, Dávid & Tsai, Jing-Fu', 8],
    ['Rédei, Dávid & Tsai, Jing-Fu & Eger, Joseph E.', 4],
    ['Tsai, Jing-Fu & Rédei, Dávid', 6],
    ['Vinokurov, Nikolay N. & Rudoi, Valentin V.', 30],
    ['Weiler, L. & Barão, K. R. & Cassis, G. & Grazia, J.', 21],
    ['Other (30)', 51]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=318)',
    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);