function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Dale-Skey, Natalie & Askew, Richard R. & Noyes, John S.', 18],
    ['Fallahzadeh, Majid & Japoshvili, George', 13],
    ['Guerrieri, Emilio & Cascone, Pasquale', 4],
    ['Guerrieri, Emilio & Ghahari, Hassan', 2],
    ['Hayat, Mohammad & Ahmad, Zubair & Khan, Farmanur Rehman', 5],
    ['Japoshvili, George', 2],
    ['Japoshvili, George & Higashiura, Yoshimitsu & Kamitani, Satoshi', 12],
    ['Japoshvili, George & Yerlikaya, Hüseyin & Kaydan, Mehmet Bora', 3],
    ['Madl, Michael & H, Anicetus & H, Anthemus & W, Cheiloneurus', 8],
    ['Rameshkumar, A. & Poorani, J. & V, Naveen', 2],
    ['Soler, José María & Falcó-Garí, José Vicente & Herrero, Berta', 5],
    ['Timberlake, P. H.', 2],
    ['Triapitsyn, Serguei V. & Andreason, Sharon A.', 2],
    ['Triapitsyn, Serguei V. & Logarzo, Guillermo A.', 11],
    ['Zu, Guo-Hao & Li, Cheng-De', 7],
    ['Other (13)', 13]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=109)',
    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);