First-passage time statistics of stochastic transcription process for time-dependent reaction rates Kuheli Biswas, Mayank Shreshtha, Anudeep Surendran and Anandamohan Ghosh Eur. Phys. J. E, 42 2 (2019) 24 Published online: 25 February 2019 DOI: 10.1140/epje/i2019-11788-8