function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Barreto, Mauricio & Burbano, María E. & Proctor, Heather C.', 3],
    ['Constantinescu, Ioana Cristina & Chisamera, Gabriel', 1],
    ['Constantinescu, Ioana Cristina & Chişamera, Gabriel', 6],
    ['ConstantinescuK, Ioana Cristina & ChiȘameraK, Gabriel Bogdan', 1],
    ['HALLIDAY, R. B.', 4],
    ['LIU, DONG & YI, TIAN-CI & XU, YUN & ZHANG, ZHI-QIANG', 1],
    ['Mironov, Sergey V. & Bermudez, Sergio', 1],
    ['Mironov, Sergey V. & Wauthy, Georges', 3],
    ['Reeves, Will K. & Durden, Lance A. & Ritzi, Christopher M.', 3],
    ['Wang, Zi-Ying & Wang, Jin-Jun', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=25)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 10, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);