ADMIN NOTE 17 March 2019 A scientific paper has been published based on the hypothesis put forward in this topic, see
Horowitz, 2019 Tapering of SSRI treatment to mitigate withdrawal symptoms
NY Times article about Lancet tapering study: How t Quit Antidepressants: Very Slowly, Doctors Say
To search for whether there is a serotonin transporter occupancy study for your medication, google the generic name of the drug with this other search terms: 5HTT occupancy