function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Baumann, Richard W. & Stark, Bill P.', 9],
    ['Bottorff, Richard L. & Baumann, Richard W.', 9],
    ['Broome, Hannah Jean & Stark, Bill P. & Baumann, Richard W.', 13],
    ['Chen, Zhi-Teng & Du, Yu-Zhou', 9],
    ['Darilmaz, Mustafa Cemal & Salur, Ali & Murányi, Dávid', 7],
    ['Earle, Jane I.', 6],
    ['Hicks, Bill P. Stark and Matthew B.', 7],
    ['Judson, Sarah W. & Nelson, C. Riley', 14],
    ['Murányi, Dávid & Gamboa, Maribet & Orci, Kirill Márk', 27],
    ['Murányi, Dávid & Li, Weihai & Yang, Ding', 8],
    ['Nations, Tina M. & Stark, Bill P. & Hicks, Matthew B.', 11],
    ['Shen, Ting & Cao, Jinjun & Li, Weihai & Bozdoğan, Hakan', 28],
    ['Stark, Bill P. & Kondratieff, Boris C.', 24],
    ['Stewart, Kenneth W. & Drake, Eugene F. & Stark, Bill P.', 6],
    ['Vinçon, Gilles & Sivec, Ignac', 8],
    ['Other (41)', 80]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=266)',
    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);