function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bonyadi-Naeini, Alieh & Rastegar-Pouyani, Nasrullah', 3],
    ['Conde-Vela, Víctor Manuel', 6],
    ['Darbyshire, Teresa', 3],
    ['Elgetany, Asmaa Haris & Struck, Torsten H.', 4],
    ['Faulwetter, Sarah & Simboura, Nomiki & Katsiaras, Nikolaos', 6],
    ['Garcia-Garza, Maria Elena & de Leon-Gonzalez, Jesus Angel', 1],
    ['Glasby, Christopher J.', 10],
    ['Glasby, Christopher J. & Timm, Tarmo & Muir, Alexander I.', 3],
    ['Hadiyanto, Hadiyanto', 2],
    ['Kinberg, Johan Gustaf Hjalmar', 1],
    ['Pamungkas, Joko & Glasby, Christopher J.', 2],
    ['Prajapat, Vaishali & Villalobos-Guerrero, Tulio F.', 4],
    ['Razmi Shah, Raz Shauqeena Batrisyea & Ibrahim, Yusof Shuaib', 4],
    ['Villalobos-Guerrero, Tulio F.', 6],
    ['Yousefi, Shetav & Rahimian, Hasan & Nabavi, Seid Mohammad Bagher', 3],
    ['Other (6)', 6]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=64)',
    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);