Collab PACA-CA RNA-seq metadata payloads

[edsu7]

Tracking work regarding PACA-CA RNA-seq metadata payloads on collab space

4 samples at the moment

Branch: https://github.com/icgc-argo/argo-meta/tree/paca-ca_rnaseq/icgc_song_payloads/PACA-CA/RNAseq

To Dos :

• [x] confirm experimental type
• [x] null tissue sources and specimen type here and here
• [x] confirm read group names
• [x] confirm strandedness

[b-f-chan]

Linked to #40 also pending stakeholder feedback, still on hold as of May 4