function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Aurivillius, Per Olof Christopher', 2],
    ['Bonatto, Leonardo D. & Mielke, Carlos G. C.', 3],
    ['Bénéluz, Frédéric', 199],
    ['De, Amabílio J. A. & Mielke, Olaf H. H. & Casagrande, Mirna M.', 2],
    ['Decaens, Thibaud & Beneluz, Frederic', 3],
    ['Decaëns, Thibaud & Rougerie, Rodolphe', 2],
    ['Hübner, Jacob', 2],
    ['Jiang, Zhuo-Heng & Wang, Cheng-Bin & Miu, Ben-Fu & Guo, Liang', 4],
    ['Kim, Min Jee & Kim, Sung-Soo & Choi, Sei-Woong & Kim, Iksoo', 3],
    ['Mbata, Keith J. & Prins, Jurate De', 135],
    ['Pohl, Greg & Anweiler, Gary & Schmidt, Christian', 3],
    ['Rougerie, Rodolphe & Naumann, Stefan & Nässig, Wolfgang A.', 2],
    ['Walker, Francis', 11],
    ['Westwood, J. O.', 2],
    ['Zheng, Xuhongyi & Wang, Dong', 3],
    ['Other (13)', 14]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=390)',
    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);