function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Claxton, Sandra K.', 16],
    ['Fontoura, Paulo & Pilato, Giovanni & Lisi, Oscar', 5],
    ['Guil, Noemí', 18],
    ['Guil, Noemí & Guidetti, Roberto & Machordom, Annie', 5],
    ['Kaczmarek, Łukasz', 51],
    ['Kaczmarek, Łukasz & Michalczyk, Łukasz', 6],
    ['Kaczmarek, Łukasz & Michalczyk, Łukasz & Mcinnes, Sandra J.', 66],
    ['Li, Xiao-Chen & Wang, Da-Yong & Wang, Li-Zhi', 6],
    ['Li, Xiaochen', 10],
    ['Meyer, Harry A. & Hinton, Juliana G.', 7],
    ['Pilato, Giovanni & Kiosya, Yevgen & Lisi, Oscar', 15],
    ['Pilato, Giovanni & Lisi, Oscar', 9],
    ['Roszkowska, Milena & Stec, Daniel & Ciobanu, Daniel Adrian', 7],
    ['Tumanov, Denis V.', 10],
    ['Wang, Lizhi', 8],
    ['Other (69)', 128]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=367)',
    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);