function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bary, Brian M.', 1],
    ['Chatterjee, Tapas & Dovgal, Igor & Fernandez-Leborans, Gregorio', 1],
    ['Chatterjee, Tapas & Dovgal, Igor & Fontaneto, Diego', 1],
    ['Chatterjee, Tapas & Dovgal, Igor & Mayén-Estrada, Rosaura', 1],
    ['Chen, Ying & Zhao, Yan & Pan, Xuming & Ding, Wenqiao', 1],
    ['Durán-Ramírez, Carlos Alberto & Dias, Roberto Júnio Pedroso', 18],
    ['Durán-Ramírez, Carlos Alberto & Mayén-Estrada, Rosaura', 1],
    ['Esteban, G. F. & Finlay, B. J. & Olmo, J. L. & Tyler, P. A.', 2],
    ['Gong, Jun & Song, Weibo', 1],
    ['Kizildag, Sibel & Yildiz, Ismail', 3],
    ['Liu, Mingjian & Gao, Feng & Al-Farraj, Saleh A. & Hu, Xiaozhong', 1],
    ['Long, Hongan & Song, Weibo & Al-Rasheid, Khaled A. S.', 3],
    ['Lyu, Zhi-Tong & Zeng, Zhao-Chi & Wang, Jian & Liu, Zu-Yao', 4],
    ['Ma, Hongwei & Song, Weibo & Warren, Alan & Roberts, David', 2],
    ['Xuming Pan', 8],
    ['Other (6)', 6]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=54)',
    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);