function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Alatawi, Fahad Jaber & Kamran, Muhammad & Mirza, Jawwad Hassan', 1],
    ['Duarte, Adriane Da Fonseca & Rueda-Ramírez, Diana', 3],
    ['Joharchi, Omid & Halliday, Bruce', 3],
    ['Joharchi, Omid & Halliday, Bruce & Saboori, Alireza', 8],
    ['Joharchi, Omid & Issakova, Aigerim K. & Asyamova, Olga S.', 2],
    ['Joharchi, Omid & Jalaeian, Mahdi & Paktinat-Saeej, Saeed', 4],
    ['Joharchi, Omid & Negm, Mohamed W.', 2],
    ['Kazemi, Shahrooz', 3],
    ['Kazemi, Shahrooz & Mehrzad, Nazanin & Latifi, Malihe', 2],
    ['Keum, Eunsun & Jung, Chuleui & Joharchi, Omid', 2],
    ['Khalili-Moghadam, Arsalan & Saboori, Alireza & Nemati, Alireza', 2],
    ['Mahjoori, M. & Hajizadeh, J. & M. R & I, Northern', 3],
    ['Nemati, Alireza & Riahi, Elham & Khalili-Moghadam, Arsalan', 2],
    ['Ramroodi, S. & Joharchi, O. & Hajizadeh, J.', 3],
    ['Saboori, Alireza & Shirvani, Zeinab', 6],
    ['Other (2)', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=48)',
    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);