function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Belokobylskij, Sergey A. & Kula, Robert R.', 2],
    ['Berry, Jocelyn Asha Dr.', 2],
    ['Broad, Gavin R. & Shaw, Mark R. & Godfray, H. Charles J.', 4],
    ['Fischer, M.', 8],
    ['Gupta, Ankita & David, K. J.', 1],
    ['Madl, M. & Achterberg, C. Van', 1],
    ['Marinho, Cláudia F. & Costa, Valmir A. & Zucchi, Roberto A.', 1],
    ['Papp, J.', 4],
    ['Peris-Felipo, Francisco Javier & Achterberg, Cornelis Van', 42],
    ['Peris-Felipo, Francisco Javier & Broad, Gavin R.', 1],
    ['Singh, Longjam Roni Kumar & Chandra, Kailash & Gupta, Devanshu', 1],
    ['Telfer, Angela C & Young, Monica R & Quinn, Jenna & Perez, Kate', 1],
    ['Zhu, Jia-Chen & Achterberg, Cornelis van & Chen, Xue-Xin', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=69)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 13, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);