function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Dang, Mau Trinh & Segers, Hendrik & Sanoamuang, La-Orsri', 3],
    ['De Smet, Willem H.', 27],
    ['De Smet, Willem H. & Verolet, Michel', 7],
    ['De, Willem H.', 3],
    ['José, Susana B. & Paggi, De & Paggi, Juan C.', 2],
    ['LUKASHANETS, Dzmitry A. & VEZHNAVETS, Vasily V.', 11],
    ['Luo, Yongting & Segers, Hendrik', 16],
    ['Meyer, Stephanie & Araujo, Thiago Q. & Walsh, Elizabeth J.', 2],
    ['Segers, Hendrik & Walsh, Elizabeth J.', 3],
    ['Sharma, B. K. & Sharma, Sumita', 10],
    ['Sudzuki, Minoru', 15],
    ['Sørensen, Martin Vinther', 3],
    ['Wei, Nan & Jersabek, Christian D. & Xu, Runlin & Yang, Yufeng', 6],
    ['Wei, Nan & Jersabek, Christian D. & Yang, Yufeng', 3],
    ['Yang, Hee-Min & Min, Gi-Sik', 5],
    ['Other (15)', 19]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=135)',
    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);