function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['MENG, JIN & BOWEN, GABRIEL J. & JIE, YE & KOCH, PAUL L.', 2],
    ['MENG, JIN & WYSS, ANDRÉ R. & HU, YAOMING & WANG, YUANQING', 1],
    ['Meng, Jin & Kraatz, Brian P. & Wang, Yuanqing & Ni, Xijun', 2],
    ['Wible, JR & Rougier, GW & Novacek, MJ & Asher, RJ', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=6)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 4, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);