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PURPOSE The RET protooncogene plays a crucial role in neural crest development; accordingly, mutations of RET cause MEN2A and familial medullary thyroid carcinoma, while the expression deregulation of RET is involved in the pathophysiology of glioblastoma multiforme (GBM) and pancreatic cancer (PDAC). The aim of this study was to evaluate if germline(More)
By harnessing quantum effects, we nowadays can use encryption that is in principle proven to withstand any conceivable attack. These fascinating quantum features have been implemented in metropolitan quantum networks around the world. In order to interconnect such networks over long distances, optical satellite communication is the method of choice.(More)
The measurement of quantum signals that traveled through long distances is of fundamental and technical interest. We present quantum-limited coherent measurements of optical signals, sent from a satellite in geostationary Earth orbit to an optical ground station. We bound the excess noise that the quantum states could have acquired after having propagated(More)
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