function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['A. W', 18],
    ['Astafurova, Yulia V. & Proshchalykin, Maxim Yu.', 8],
    ['Bossert, Silas', 4],
    ['Bossert, Silas & Copeland, Robert S. & Sless, Trevor J. L.', 1],
    ['Boustani, Mira & Rasmont, Pierre & Dathe, Holger H.', 1],
    ['Delphia, Casey M. & Griswold, Terry & Reese, Elizabeth G.', 3],
    ['Else, George R. & Bolton, Barry & Broad, Gavin R.', 4],
    ['Gibbs, Jason & Ascher, John S. & Rightmyer, Molly G.', 5],
    ['Lhomme, Patrick', 11],
    ['Murao, Ryuki & Tadauchi, Osamu & Miyanaga, Ryoichi', 2],
    ['Patiny, Sebastien', 2],
    ['Portman, Zachary M. & Gardner, Joel & Lane, Ian G.', 6],
    ['Reese, Elizabeth G. & Burkle, Laura A. & Delphia, Casey M.', 3],
    ['W, Andreas', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=69)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 14, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);