function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bernard, Ernest C. & Soto-Adames, Felipe N. & Wynne, J. Judson', 2],
    ['Cipola, Nikolas Gioia & Bellini, Bruno Cavalcante', 3],
    ['Jantarit, Sopark & Bedos, Anne & Deharveng, Louis', 4],
    ['Katz, Aron D. & Taylor, Steven J. & Soto-Adames, Felipe N.', 2],
    ['Nguyen, Anh T. T. & Thuy, Kim N. & Arbea, Javier I.', 3],
    ['Nilsai 1, Areeruk & Detcharoen 1, Matsapume', 4],
    ['Nilsai, Areeruk & Jantarit, Sopark & Satasook, Chutamas', 5],
    ['Nilsai, Areeruk & Zeppelini, Douglas & Bellini, Bruno C.', 3],
    ['Wu, Jun & Yan, Qibao & Zhang, Feng', 7],
    ['Xu, Guo-Liang & Yu, Dao-Yuan & Zhang, Feng', 3],
    ['Xu, Guo-Liang & Zhang, Feng', 2],
    ['Zhang, Feng & Bedos, Anne & Deharveng, Louis', 5],
    ['Zhang, Feng & Deharveng, Louis & Chen, Jian-Xiu', 7],
    ['Zhang, Feng & Dong, Rui-Rui', 3],
    ['Zhang, Feng & Man, Le Cong & Deharveng, Louis', 2],
    ['Other (6)', 7]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=62)',
    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);