function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bojková, Jindřiška & Soldán, Tomáš & Cr, Biology Centre As', 1],
    ['Chen, Zhi-Teng', 1],
    ['Grubbs, Scott A. & Pessino, Massimo & DeWalt, R. Edward', 1],
    ['Judson, Sarah W. & Nelson, C. Riley', 4],
    ['Murányi, Dávid & Manko, Peter & Kovács, Tibor & Vinçon, Gilles', 1],
    ['Teslenko, Valentina A.', 4],
    ['Teslenko, Valentina A. & Zhiltzova, Lidia A.', 1],
    ['Zwick, Peter', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=14)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 8, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);