function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Ahmad, Jalil & Joshi, Rahul & Singh, Navneet', 128],
    ['Arita, Yutaka & Gorbunov, Oleg G.', 17],
    ['Bartsch, Daniel', 54],
    ['Bartsch, Daniel & Berg, Jutta', 13],
    ['Bartsch, Daniel & Pühringer, Franz & Milla, Liz', 38],
    ['Bartsch, Daniel & Sáfián, Szabolcs', 23],
    ['Eichlin, Thomas D. & Kinnee, Scott A.', 20],
    ['Garrevoet, T. & Garrevoet, W. & Özbek, H.', 77],
    ['Gorbunov, O. G.', 17],
    ['Gorbunov, Oleg G.', 21],
    ['Gorbunov, Oleg G. & Arita, Yutaka', 23],
    ['Kallies, Axel & Arita, Yutaka & Owada, Mamoru & Wu, Guo-Yi', 17],
    ['Liang, Jia-Yuan & Hsu, Yu-Feng', 22],
    ['Mbata, Keith J. & Prins, Jurate De', 24],
    ['Yu, Tiantian & Liu, Wenfang & Huang, Pengying & Kallies, Axel', 14],
    ['Other (38)', 112]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=620)',
    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);