function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Barnes, Natalie & Kim, Hyeong Geun & Lee, Wonchoel', 10],
    ['Botelho, Alessandra Prates & Silva, Maria Cristina Da', 7],
    ['D, Leduc & K, Probert P. & D, Nodder S.', 4],
    ['Fu, Sujing & Leduc, Daniel & Rao, Yiyong & Cai, Lizhe', 5],
    ['Gagarin, Vladimir G.', 4],
    ['Hong, Jung-Ho & Tchesunov, Alexei V. & Lee, Wonchoel', 15],
    ['Huang, Mian & Huang, Yong', 4],
    ['Huang, Mian & Jia, Susu & Huang, Yong', 3],
    ['Khudhir, Manda & Hodda, Mike & Nicholas, Evelyn', 17],
    ['Leduc, Daniel', 32],
    ['Manoel, Alex & Esteves, André Morgado', 3],
    ['Pastor, Catalina T. & Ward, De', 4],
    ['Riera, Rodrigo & Núñez, Jorge & Brito, María Del Carmen', 4],
    ['Xiao, Yueping & Guo, Yuqing', 6],
    ['Yang, Peipei & Guo, Yuqing & Chen, Yuzhen & Lin, Rongcheng', 11],
    ['Other (9)', 15]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=144)',
    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);