function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Kamali, Hashem & Doryanizadeh, Nazanin & Akrami, Mohammad Ali', 1],
    ['Kamali, Hashem & Majidi, Maryam & Akrami, Mohammad Ali', 1],
    ['LIU, DONG & YI, TIAN-CI & XU, YUN & ZHANG, ZHI-QIANG', 9],
    ['Li, De-Wei & Wei, Sui-Gai & Wang, Guo-Quan', 1],
    ['Li, Hao-Sen & Xue, Xiao-Feng & Hong, Xiao-Yue', 4],
    ['Lotfollahi, Parisa & Jafari, Shahriar & Bahirai, Fereshteh', 1],
    ['Manson, David Charles MacKenzie', 1],
    ['Ou, Shan-Sheng & Wang, Guo-Quan & Wei, Sui-Gai', 1],
    ['Rodrigues, Daniela F. S. & Navia, Denise & Oliveira, Anibal R.', 1],
    ['Song, Zi-Wei & Xue, Xiao-Feng & Hong, Xiao-Yue', 5],
    ['XUE, XIAO-FENG & GUO, JING-FENG & HONG, XIAO-YUE', 10],
    ['Xue, Xiao-Feng & Han, Xiao & Song, Zi-Wei & Hong, Xiao-Yue', 18],
    ['Xue, Xiao-Feng & Hong, Xiao-Yue', 10],
    ['Xue, Xiao-Feng & Song, Zi-Wei & Hong, Xiao-Yue', 17],
    ['Xue, Xiao-Feng & Zhang, Zhi-Qiang', 12],
    ['Other (2)', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=94)',
    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);