The 
hairpins in bar 109, 111, 113 and 115 must have been added by Chopin to A after [FC] (→FE→EE1) had been finished. It is difficult to imagine a situation in which the copyist or the engraver could overlook so many marks, particularly since there is an identical situation in analogous bar 276, 278, 280 and 282. In GE the marks were extended by placing their beginnings under the first quaver in the bar. It is in this form that they were added to EE2.
Compare the passage in the sources »
category imprint: Differences between sources; Corrections & alterations
issues: EE revisions, Inaccuracies in GE, Corrections in A
notation: Articulation, Accents, Hairpins