Table 1.

MPLA results of 14 patients with negative multiplex PCR

Patient ID	Multiplex PCR	MLPA
M009	Negative	Dup 68–79
M021	Negative	Dup 42–43
M031	Negative	Dup 3–7
The remaining 11 patients	Negative	Negative

Dup: Duplicated exons; Multiplex PCR: Multiplex polymerase chain reaction; MLPA: Multiple ligation-dependent probe amplification.