function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Donnellan, S. C. & Couper, P. J. & Saint, K. M. & Wheaton, L.', 3],
    ['Hoskin, Conrad J.', 1],
    ['Hoskin, Conrad J. & Couper, Patrick J.', 4],
    ['Kaiser, Hinrich & Carvalho, Venancio Lopes & Ceballos, Jester', 1],
    ['Karin, Benjamin R. & Stubbs, Alexander L. & Arifin, Umilaela', 1],
    ['Silva, Ana C. A.', 2],
    ['Zug, George R. & Allison, Allen', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=14)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 7, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);