function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Boustani, Mira & Rasmont, Pierre & Dathe, Holger H.', 30],
    ['Chen, Xuan & Xu, Huanli', 28],
    ['Dathe, H. H.', 20],
    ['Dathe, Holger H.', 105],
    ['Dathe, Holger H. & Proshchalykin, Maxim Yu.', 39],
    ['Else, George R. & Bolton, Barry & Broad, Gavin R.', 24],
    ['Gibbs, Jason & Ascher, John S. & Rightmyer, Molly G.', 18],
    ['Lhomme, Patrick', 47],
    ['Portman, Zachary M. & Gardner, Joel & Lane, Ian G.', 14],
    ['Proshchalykin, Maxim Yu. & Dathe, Holger H.', 62],
    ['Risch, Stephan & Roberts, Stuart P. M. & Smit, Jan', 13],
    ['Yu, Maxim & Dathe, Holger H.', 32],
    ['Yu, Maхim & Daтhe, Holger H.', 20],
    ['Zettel, Herbert & Ockermüller, Esther & Schoder, Sabine', 14],
    ['Özbek, Hikmet & Dathe, Holger H.', 85],
    ['Other (36)', 125]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=676)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 16, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);