function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Allen, Gerald R. Dr. & Woods, Loren P.', 1],
    ['Andréfouët, Serge & Chen, Wei-Jen & Kinch, Jeff & Mana, Ralph', 4],
    ['Love, Milton S. & Bizzarro, Joseph J. & Cornthwaite, Maria', 5],
    ['Lubbock, Roger & Edwards, Alasdair J.', 1],
    ['Randall, John Ernest Dr.', 1],
    ['Tang, Kevin L. & Stiassny, Melanie L. J. & Mayden, Richard L.', 1],
    ['Zarco Perello, Salvador & Moreno Mendoza, Rigoberto', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=15)',
    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);