Changes

During the implementation of model B14, Andrew Baldwin wished to raise the attention to:

Please read:

* Bain, A. D., Kumar Anand, C. & Nie, Z., Exact solution of the CPMG pulse sequence with phase variation down the echo train: application to R(2) measurements. ''J. Magn. Reson.'', 2011), ([http://dx.doi.org/10.1016/j.jmr.2011.01.009 10.1016/j.jmr.2011.01.009]).

* Vallurupalli, P., Hansen, D. F., Stollar, E., Meirovitch, E. & Kay, L. E. Measurement of bond vector orientations in invisible excited states of proteins. ''Proc Natl Acad Sci USA'', 2007. ([http://dx.doi.org/10.1073/pnas.0708296104 10.1073/pnas.0708296104]).

* Vallurupalli, P., Hansen, D. F. & Kay, L. E., Structures of invisible, excited protein states by relaxation dispersion NMR spectroscopy. ''Proc Natl Acad Sci USA'', 2008. ([http://dx.doi.org/10.1073/pnas.0804221105 10.1073/pnas.0804221105]) 0.1073/pnas.0804221105