function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bonyadi-Naeini, Alieh & Rastegar-Pouyani, Nasrullah', 18],
    ['Conde-Vela, Víctor M.', 22],
    ['Conde-Vela, Víctor Manuel', 23],
    ['Darbyshire, Teresa', 13],
    ['Faulwetter, Sarah & Simboura, Nomiki & Katsiaras, Nikolaos', 50],
    ['Garcia-Garza, Maria Elena & de Leon-Gonzalez, Jesus Angel', 15],
    ['Glasby, Christopher J.', 53],
    ['Glasby, Christopher J. & Timm, Tarmo & Muir, Alexander I.', 57],
    ['Hadiyanto, Hadiyanto', 19],
    ['Hsueh, Pan-Wen', 39],
    ['Mikac, Barbara', 11],
    ['Pamungkas, Joko & Glasby, Christopher J.', 11],
    ['Razmi Shah, Raz Shauqeena Batrisyea & Ibrahim, Yusof Shuaib', 10],
    ['Salazar-Vallejo, Sergio I. & Carrera-Parra, Luis F.', 20],
    ['Salazar-Vallejo, Sergio I. & León-González, Jesús Angel De', 14],
    ['Other (55)', 169]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=544)',
    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);