function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Alekseev, Vitalii I. & Bukejs, Andris', 3],
    ['Guo, Mingxia & Xing, Lida & Wang, Bo & Zhang, Weiwei', 5],
    ['Kaydan, Mehmet Bora & Benedicty, Zsuzsanna Konczne', 8],
    ['Kaydan, Mehmet Bora & Konczne Benedicty, Zsuzsanna & Szita, Eva', 4],
    ['Kozár, Ferenc & Konczné Benedicty, Zsuzsanna', 11],
    ['Lapolla, John S. & Burwell, Chris & Brady, Seán G.', 3],
    ['Mille, Christian & Henderson, Rosa C. & Cazères, Sylvie', 3],
    ['Stalažs, Arturs', 5],
    ['Szita, Eva & Kaydan, Mehmet Bora & Benedicty, Zsuzsanna Konczne', 7],
    ['Tamutis, Vytautas & Ferenca, Romas & Pollock, Darren A.', 3],
    ['Tanaka, Hirotaka & Amano, Hiroshi', 7],
    ['Vea, Isabelle M.', 12],
    ['Watson, Gillian W.', 9],
    ['Zheng, Xinyi & San & Wu, an & Xing, Jichun', 3],
    ['Zheng, Xinyi & Xing, Jichun', 4],
    ['Other (18)', 23]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=110)',
    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);