function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Akhtar, Mir Samim & Dey, Debjani & Usmani, Mohd. Kamil', 1],
    ['Broad, Gavin R. & Shaw, Mark R. & Godfray, H. Charles J.', 2],
    ['Froese, Darren Sean', 1],
    ['Ghahari, H. & Fischer, M. & Cetin, O. & Beyarslan, A.', 1],
    ['Kavallieratos, Nickolas G.', 1],
    ['Kavallieratos, Nickolas G. & Tomanović, Ž Eljko & Starý, Petr', 1],
    ['Kos, Katarina & Trdan, Stanislav & Petrović, Andjeljko', 1],
    ['Lopes, Thomas & Libert, Pierre-Nicolas & Starý, Petr', 1],
    ['Madl, M. & Achterberg, C. Van', 1],
    ['Nazari, Yaser & Zamani, Abbas Ali & Masoumi, Seyyed Mohammad', 1],
    ['Plecas, Milan & Zikic, Vladimir & Kocic, Korana', 1],
    ['Rakhshani, Ehsan & Barahoei, Hossein & Ahmad, Zubair', 1],
    ['Sakenin, H. & Naderian, H. & Samin, N. & Rastegar, J.', 1],
    ['Samin, N. & Ghahari, H. & N. S & Davidian, E.', 1],
    ['Telfer, Angela C & Young, Monica R & Quinn, Jenna & Perez, Kate', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=16)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 15, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);