function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Angus, Robert B.', 1],
    ['Angus, Robert B. & Jia, Fenglong & Chen, Zhen-ning & Zhang, Ying', 6],
    ['Bilton, David T.', 7],
    ['Bukejs, Andris', 2],
    ['Darilmaz, Mustafa C. & İncekara, Ümit', 55],
    ['Fikacek, Martin & Prokin, Alexander & Angus, Robert B.', 1],
    ['Fikáček, Martin & Prokin, Alexander & Angus, Robert B.', 18],
    ['Fikáček, Martin & Skuhrovec, Jiří & Šípek, Petr', 1],
    ['Hubbard, Todd', 1],
    ['Litovkin, S. V. & Efimov, D. A.', 11],
    ['Majka, Christopher', 2],
    ['Minoshima, Yûsuke N. & Watanabe, Reiya', 1],
    ['Prokin, A. A. & Sazhnev, A. S.', 3],
    ['Sazhnev, A. S.', 1],
    ['Short, Andrew E. Z. & Fikáček, Martin', 6],
    ['Other (1)', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=117)',
    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);