function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bonyadi-Naeini, Alieh & Rastegar-Pouyani, Nasrullah', 6],
    ['Darbyshire, Teresa', 2],
    ['Drennan, Regan & Wiklund, Helena & Rabone, Muriel', 2],
    ['Faulwetter, Sarah & Simboura, Nomiki & Katsiaras, Nikolaos', 10],
    ['Fazne Ibrahim, Nur & Shuaib Ibrahim, Yusof & Sato, Masanori', 2],
    ['Georgieva, Magdalena N. & Wiklund, Helena & Ramos, Dino A.', 2],
    ['Glasby, Christopher J.', 4],
    ['Glasby, Christopher J. & Timm, Tarmo & Muir, Alexander I.', 6],
    ['Gunton, Laetitia M. & Kupriyanova, Elena K. & Alvestad, Tom', 5],
    ['Hadiyanto, Hadiyanto', 2],
    ['Hsueh, Pan-Wen', 13],
    ['León-González, Jesús Angel De & Salazar-Vallejo, Sergio I.', 2],
    ['Pamungkas, Joko & Glasby, Christopher J.', 4],
    ['Sato, Masanori', 2],
    ['Villalobos-Guerrero, Tulio F. & Kara, Jyothi & Idris, Izwandy', 5],
    ['Other (8)', 8]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=75)',
    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);