function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Claxton, Sandra K.', 16],
    ['Fontoura, Paulo & Pilato, Giovanni & Lisi, Oscar', 2],
    ['Fontoura, Paulo & Pilato, Giovanni & Lisi, Oscar & Morais, Paulo', 1],
    ['Fontoura, Paulo & Pilato, Giovanni & Morais, Paulo & Lisi, Oscar', 1],
    ['Guil, Noemi & Guidetti, Roberto', 1],
    ['Guil, Noemí', 2],
    ['Kaczmarek, L Ukasz & Michalczyk, L Ukasz', 1],
    ['Kaczmarek, Łukasz', 9],
    ['Kaczmarek, Łukasz & Michalczyk, Łukasz & Mcinnes, Sandra J.', 13],
    ['Li, Xiao-Chen & Wang, Da-Yong & Wang, Li-Zhi', 3],
    ['Li, Xiaochen', 1],
    ['Meyer, Harry A.', 1],
    ['Meyer, Harry A. & Hinton, Juliana G.', 3],
    ['Moreno, Antonio & Roszkowska, Milena & García, Mario Alberto', 2],
    ['Rossi, Gustavo & Claps, Maria & Ardohain, Diego', 2],
    ['Other (8)', 8]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=66)',
    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);