TABLE 1.

Evaluation of the different experimental parameters as applied in the different participating laboratories

Center identification	Electrophoresis supply	Gels per year	Imaging software	Run time (h)	Voltage (V/cm)	Pulsing protocol	Temperature (°C)	Gel percentage
1	CHEF DR-II	200	Bio Image Advanced Q. 2.01	20	6	20 h: 5.3–34.9"	14	1.0
2	CHEF DR-II	40–50	GelCompar 3.1	25	6	10 h: 5.0–15.0"; 15 h: 15.0–45.0"	14	1.0
3	CHEF DR-III	35	In-house software	26	6	7 h: 5.0–15.0"; 19 h: 15–60"	14	1.0
4	CHEF DR-II	500	GelCompar 4.0	48	6	48 h: 1.0–80.0"	12	1.2
5	CHEF DR-II	1000	Taxotron	20	6	10 h: 10.0"; 10 h: 25.0"	10	0.8
6	Pulsaphor TM	15	In-house software	27	235c	4 h: 5.0"; 6 h: 15.0"; 8 h: 25.0"; 9 h: 35.0"	12	1.2
7	Gene Navigator	100	Taxotron	24	7	24 h: 20–80"	10	1.0
8	CHEF Mapper	40	GelCompar 4.0	20	6	10 h: 5.0–15.0"; 10 h: 15.0–45.0"	14	1.0
9	CHEF DR-II	150–200	Molecular Analyst	20	6	20 h: 1.0–40.0"	12	1.0
10	CHEF DR-II	100	Molecular Analyst	22	6	22 h: 1.0–34.0"	14	0.8
11	CHEF DR-III	200	Biogene 6.32	21	6	2 h: 0.5–5.5"; 18 h: 7.5 to 27.5"; 1 h: 50–65"	14	1.0
12	CHEF DR-II	150	Molecular Analyst	20	6	3 h: 1–10"; 17 h: 5–40"	13	1.4
13a	Optional	NAb	Optional	20	6	20 h: 5.3–34.9"	14	1

^aThe parameters for center 13 show the settings for the standardized protocol. Exact size of the gel not reported. 

^bNA, not applicable. 

^cThe exact size of the gel was not reported, so the result is given as overall voltage.