function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Crawford, J. C.', 1],
    ['Dale-Skey, Natalie & Askew, Richard R. & Noyes, John S.', 4],
    ['Ebrahimi, Ebrahim & Tavakoli Korghond, Gholam-Reza', 1],
    ['Fallahzadeh, Majid & Japoshvili, George', 10],
    ['Fullaway, D. T.', 2],
    ['Guerrieri, Emilio', 1],
    ['Guerrieri, Emilio & Huigens, Martinus E. & Estrada, Catalina', 1],
    ['Gupta, Ankita & Lokhande, Swapnil A. & Soman, Abhay', 1],
    ['Hayat, Mohammad & Ahmad, Zubair & Khan, Farmanur Rehman', 3],
    ['Hayat, Mohammad & Mehrnejad, M. Reza', 5],
    ['Hayat, Mohammad & Veenakumari, Kamalanathan', 3],
    ['Japoshvili, George & Higashiura, Yoshimitsu & Kamitani, Satoshi', 5],
    ['Japoshvili, George & Soethof, Rudy', 3],
    ['Triapitsyn, Serguei V. & Andreason, Sharon A. & Power, Nancy', 3],
    ['Zhang, Xu & Zhang, Yan-Zhou & Wang, Ying & Chen, Fu-Qiang', 6],
    ['Other (7)', 7]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=56)',
    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);