function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bidzilya, Oleksiy', 9],
    ['Bidzilya, Oleksiy & Karsholt, Ole & Kravchenko, Vasiliy', 4],
    ['Busck, August', 1],
    ['D, Nandhini & R, Shashank P. & Joshi, Rahul & Reddy, Karthik M.', 79],
    ['Hübner, Jacob', 1],
    ['Junnilainen, Jari & Karsholt, Ole & Nupponen, Kari', 7],
    ['Karsholt, Ole & Huemer, Peter', 2],
    ['Koo, Jun-Mo & Na, Jin-Ho & Paek, Munki & Cho, Soowon', 2],
    ['Li, Houhun & Sattler, Klaus', 2],
    ['Li, Houhun & Zhen, Hui & Mey, Wolfram', 13],
    ['Park, Kyu-Tek & Bae, Yang-Seop & Zhao, Shengnan & Li, Houhun', 31],
    ['Park, Kyu-Tek & Koo, Jun-Mo & Minet, Joël', 2],
    ['Park, Kyu-Tek & Ponomarenko, Margarita G.', 2],
    ['Telfer, Angela C & Young, Monica R & Quinn, Jenna & Perez, Kate', 3],
    ['Zhao, Shengnan & Park, Kyu-Tek & Bae, Yang-Seop & Li, Houhun', 13],
    ['Other (1)', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=172)',
    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);