Subject	Sex	Etiology	Age at 1st CI (yr;mo)	Age at 2nd CI (yr;mo)	Age at visit (yr; mo)	BiCI expereince at each visit (mo)	First CI (internal device, processor, ear)	Second CI (internal device, processor, ear)
					V1 | V2 | V3 | V4	V1 | V2 | V3 | V4
CIBW	F	Connexin 26	1;1	3;9	5;10| 7;0	2;1 | 3;3	N24C,Freedom, R	Freedom, Freedom, L
CICA	M	Unknown	2;5	2;5	5;6 | 6;6	3;2 | 4;1	Pulsarci 100, Opus2, simultaneous	Pulsarci 100, Opus2, simultaneous
CICF	F	Meningitis	1;6	2;4	5;6 | 6;7	3;2 | 4;2	Freedom Contour, Freedom, R	Freedom Contour, Freedom, L
CIDJ	F	Genetic	1;8	5;1	8;1 | 8;11	3;0 |3;11	Nucleus24, Freedom, R	Freedom, Freedom, L
CIDP	F	Connexin 26	0;11	2;9	4;11| 5;10	2;2 |3;1	V1: Combi40+, Tempo+, L V2: Combi40+, Opus2, L	V1: Pulsarci100, Tempo+, R V2: Pulsarci100, Opus2, R
CIDR	F	Unknown	1;9	2;8	4;6 | 6;1	1;9 |3;11	V1:HiRes90K/HiFocus, PSP,R V2: HiRes90K/HiFocus, Harmony, R	V1:HiRes90K/HiFocus, PSP,L V2: HiRes90K/HiFocus, Harmony, L
CICQ	M	Usher Syndrome Type 1	1;2	3;7	5;0| 6;10	0;6 |3;2	V1: Freedom Contour, Freedom, R V2: Freedom Contour, N5, R	V1: Freedom Contour, Freedom, L V2: Freedom Contour, N5, L
CIBU	M	Connexin 26	1;2	5;1	6;3 | 7;3 |8;3	1;1 |2;2 |3;1	V1: Combi40+, Tempo+, L V2: Combi40+, Opus2, L V3: Combi40+, Opus2, L	V1: Pulsarci100, Tempo+, R V2: Pulsarci100, Opus2, R V3: Sonata, Opus2, R
CICY	M	Unknown	1;0	4;8	5;8 | 6;9 |7;11	1;0 |2;0 |3;3	HiRes 90K/HiFcous, Harmony, R	HiRes 90K/HiFcous, Harmony, L
CICN	F	Connexin 26	1;3	2;9	4;1 |4;11|5;6	1;2 |2;1 |3;0	Freedom Contour, Freedom, R	Freedom Contour, Freedom, L
CIDQ	F	Connexin 26	0;10	4;3	6;7 | 7;8 |8;8	2;3 |3;4 |4;3	V1: N24C, Sprint, R V2: N24C, Sprint, R V3: N24C, Freedom, R	V1: Freedom Contour, Freedom, L V2: Freedom Contour, Freedom, L V3: Freedom Contour, Freedom, L
CIEF	F	Unknown	1;3	4;10	5;10|6;10|7;11	1;0 |2;0 |3;1	N24C, Freedom, R	Freedom Contour, Freedom, L
CIEM	M	Unknown	2;4	2;10	4;0 |4;10|5;5	1;1 |2;0 |3;1	V1–V2: Freedom Contour, Freedom, R V3: Freedom Contour, N5, R	V1–V2: Freedom Contour, Freedom, L V3: Freedom Contour, N5, L
CIEK	F	LVAS/progressive	4;9	5;2	6;4 | 7;4|8;4	1;2 |2;2 |3;1	HiRes/Fidelity120,Harmony, L	HiRes/Fidelity120, Harmony, R
CICL	M	Connexin 26	1;5	2;9	4;10| 5;2|6;11	2;2 |3;2 |4;2	Freedom Contour, Freedom, R	Freedom Contour, Freedom, L
CIFA	F	Unknown	2;1	4;3	5;7 |6;5 |7;6	1;3 |2;2 |3;2	Freedom Contour, N5, R	CI512,N5, L
CIEH	M	Hereditary	1;1	1;1	4;1 |5;0 |6;2	3;0 |3;11|5;1	Freedom Contour, Freedom, R	Freedom Contour, Freedom, L
CIEE	M	EVA/progressive	2;10	3;11	4;3 |5;2 |6;2 |7;1	0;4 |1;2 |2;3 |3;2	V1–V3: Freedom Contour, Freedom, R V4: Freedom Contour, N5, R	V1–V3: Freedom Contour, Freedom, L V4: Freedom Contour, N5, L
CIDW	M	Unknown	2;3	5;0	5;4 |6;1 |7;4 |8;0	0;4 |1;2 |2;0 |3;0	HiRes90K/HiFocus, Harmony, L	HiRes90K/HiFocus, Harmony, R
CIET	M	LVAS (4 years acoustic hearing)	4;9	4;9	6;4 |6;11|7;10|8;11	1;6 |2;1 |3;1 |4;1	Sonata, Opus2, simultaneous	Sonata, Opus2, simultaneous