function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Brooks, George T.', 30],
    ['Cianferoni, Fabio', 3],
    ['Fent, Meral & Kment, Petr & Çamur-Elipek, Belgin & Kirgiz, Timur', 3],
    ['Ishikawa, Tadashi & Saito, Masayuki U. & Kishimoto-Yamada, Keiko', 2],
    ['Kment, Petr & Carapezza, Attilio', 2],
    ['Krüger, Andreas & Deckert, Jürgen', 5],
    ['Linnavuori, Rauno E.', 2],
    ['Nieser, Nico & Chen, Ping-ping & Yang, Chang Man', 4],
    ['Nieser, Nico & Chen, Pingping', 2],
    ['Pelingen, Arthien Lovell & Zettel, Herbert', 5],
    ['Slimani, Noura & Moulet, Pierre & Chen, Ping-Ping & Nieser, Nico', 2],
    ['Taybi, Abdelkhaleq Fouzi & Mabrouki, Youness & Chavanon, Guy', 2],
    ['V, Clister & Zettel, Herbert', 3],
    ['Zettel, Herbert & Lane, David J. W. & Pangantihon, Clister V.', 7],
    ['Zettel, Herbert & Tran, A. D.', 3],
    ['Other (13)', 15]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=90)',
    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);