function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Astafurova, Yu. V. & Proshchalykin, M. Yu. & Engel, M. S.', 32],
    ['Astafurova, Yulia & Proshchalykin, Maxim', 22],
    ['Astafurova, Yulia V. & Proshchalykin, Maxim Yu.', 124],
    ['Astafurova, Yulia V. & Proshchalykin, Maxim Yu. & Niu, Ze-Qing', 12],
    ['Astafurova, Yulia V. & Proshchalykin, Maxim Yu. & Niu, Ze-qing', 24],
    ['Bogusch, Petr & Straka, Jakub', 33],
    ['Boustani, Mira & Rasmont, Pierre & Dathe, Holger H.', 7],
    ['Else, George R. & Bolton, Barry & Broad, Gavin R.', 32],
    ['Gibbs, Jason & Ascher, John S. & Rightmyer, Molly G.', 24],
    ['Lhomme, Patrick', 25],
    ['Portman, Zachary M. & Gardner, Joel & Lane, Ian G.', 26],
    ['Proshchalykin, Maxim Yu.', 30],
    ['Risch, Stephan & Roberts, Stuart P. M. & Smit, Jan', 10],
    ['Zettel, Herbert & Ockermüller, Esther & Schoder, Sabine', 14],
    ['Аstаfurovа, Yuliа V. & Proshchаlykin, Mаxim Yu.', 20],
    ['Other (14)', 25]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=460)',
    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);