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For illustrative purposes we consider the problem of the plasmon linewidth in a homogeneous electron gas (jellium).In the abstract of [Phys. Rev. Lett. 125, 040601 (202PRLTAO0031-900710.1103/PhysRevLett.125.040601] one can read that "[…] to have a nonzero rate of change of the extractable work, the state ρ_W of the battery cannot be an eigenstate of a 'free energy operator,' defined by F≡H_W+β^-1log(ρ_W), where H_W is the Hamiltonian of the battery and β is the inverse temperature […]." Contrarily to what is presented below Eq. (17) of

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The regulatory landscape for device-based heart failure (HF) therapies has seen a major shift in the last 7 years. In 2013, the U.S. Food and Drug Administration released guidance for early feasibility and first-in-human studies, thereby encouraging device innovation, and in 2016 the U.S. Congress authorized the Breakthrough Devices Program to expedite access for Americans to innovative devices indicated for diagnosis and treatment of serious illnesses, such as HF. Since December 2016, there has been an increase in the number of HF d