function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Almeida, Alexandre O. & Boehs, Guisla', 2],
    ['Ashelby, Christopher W. & Grave, Sammy De', 2],
    ['Ashelby, Christopher W. & Grave, Sammy De & Xuan, Nguyen Van', 1],
    ['Ashelby, Christopher W. & Lin, Wei-Cheng & Grave, Sammy De', 7],
    ['Ashrafi, Hossein & Dehghani, Amir & Sari, Alireza', 1],
    ['Cai, Yixiong & Choy, Satish & Ng, Peter K. L.', 1],
    ['Carvalho, Fabricio Lopes & Magalhaes, Celio', 3],
    ['Ferreira, Rodrigo Simões & Vieira, Rony Roberto Ramos', 5],
    ['Herrera-Barquín, Hiram & Leija-Tristán, Antonio', 5],
    ['Leach, William Elford', 2],
    ['Li, Xinzheng', 2],
    ['Mantelatto, Fernando L. & Al, Et', 2],
    ['Naderloo, Reza & Türkay, Michael', 2],
    ['Tzomos, Theodoros & Koukouras, Athanasios', 3],
    ['Wicksten, Mary K.', 2],
    ['Other (13)', 13]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=53)',
    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);