function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bartels, Paul J. & Fontoura, Paulo & Nelson, Diane R.', 18],
    ['Fontoura, Paulo & Pilato, Giovanni & Lisi, Oscar', 19],
    ['Guil, Noemí', 45],
    ['Gąsiorek, Piotr & Vončina, Katarzyna', 21],
    ['Jørgensen, Aslak & Boesgaard, Tom M. & Møbjerg, Nadja', 21],
    ['Kaczmarek, Łukasz', 166],
    ['Kaczmarek, Łukasz & Bartels, Paul J. & Roszkowska, Milena', 197],
    ['Kaczmarek, Łukasz & Michalczyk, Łukasz & Mcinnes, Sandra J.', 220],
    ['Li, Xiao-Chen & Wang, Da-Yong & Wang, Li-Zhi', 23],
    ['Li, Xiaochen', 39],
    ['Pilato, Giovanni & Kiosya, Yevgen & Lisi, Oscar', 42],
    ['Pilato, Giovanni & Lisi, Oscar', 19],
    ['Pilato, Giovanni & Lisi, Oscar & Binda, Maria Grazia', 20],
    ['Tumanov, Denis V.', 21],
    ['Wang, Lizhi', 27],
    ['Other (189)', 627]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=1525)',
    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);