Example of Proper Usage:

'ECoG BMI for Motor and Speech Control' → 'NCT Number' → 'NCT03698149' is correct, citation: https://clinicaltrials.gov/ct2/show/NCT03698149.

Example of Improper Usage:

'ECoG BMI for Motor and Speech Control' → 'NCT Number' → '17-23028', is incorrect. Other Study ID Numbers should not be included here. Note the NCT Number is also referred to as the ClinicalTrials.gov Identifier and will start with 'NCT' followed by a number string.