function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Cao, Tong & Feng, Ji-Nian', 4],
    ['Choi, Jinyeong & Soysouvanh, Pheophanh & Lee, Seunghwan', 4],
    ['Cockerell, Theodore D. A.', 2],
    ['Fullaway, D. T.', 2],
    ['Gertsson, Carl-Axel & Hodgson, Chris', 2],
    ['Hodgson, Chris', 2],
    ['Joshi, Sunil', 2],
    ['Kondo, Takumasa & Gullan, Penny J.', 2],
    ['Maskell, William Miles', 2],
    ['Moghaddam, Masumeh', 4],
    ['Stalažs, Arturs', 3],
    ['Talukder, Bipradeb & Das, Bijan Kumar', 3],
    ['Tanaka, Hirotaka', 5],
    ['Tanaka, Hirotaka & Kamitani, Satoshi', 14],
    ['Williams, Douglas J. & Ben-Dov, Yair', 8],
    ['Other (13)', 18]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=77)',
    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);