function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Askew, Richard R. & Melika, George & Pujade-Villar, Juli', 7],
    ['Dale-Skey, Natalie & Askew, Richard R. & Noyes, John S.', 240],
    ['Gadallah, Neveen S. & Yefremova, Zoya A.', 3],
    ['Gerlach, J. & Madl, M.', 10],
    ['Jałoszyński, Paweł', 2],
    ['Johnson, Paul J. & Yefremova, Zoya A.', 3],
    ['Kim, Il-Kwon & Mendel, Zvi & Protasov, Alexey & Blumberg, Daniel', 7],
    ['Li, Xiangxiang & Xu, Zhihong & Zhu, Chaodong & Zhao, Jinnian', 2],
    ['Madl, Michael & M, Atoposoma & W, Diglyphus', 4],
    ['Narendran, T. C. & Peter, Abhilash & Nikhil, K. & Mohan, Minu', 3],
    ['Plecas, Milan & Zikic, Vladimir & Kocic, Korana', 2],
    ['Prinsloo, Rd. L. & Kelly, Ne. A.', 4],
    ['Shafiee, Sepideh & Hesami, Shahram & M, Seyed & Gheibi, Mehdi', 2],
    ['Singh, Sudhir & Kumar, Arvind & Kaneria, Manish', 3],
    ['Yang, Man-Miao & Lin, Yu-Che & Wu, Yaojun & Fisher, Nicole', 6],
    ['Other (11)', 11]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=309)',
    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);