Which of the following is NOT mentioned as a challenge in the passage?

Which of the following is NOT mentioned as a challenge in the passage?

Step 1: Read the question carefully to understand what is being asked.
Step 2: Identify the key phrase in the question, which is 'NOT mentioned as a challenge'.
Step 3: Look at the passage to find the challenges that are listed.
Step 4: Make a list of the challenges mentioned in the passage, such as funding, technology, and ethics.
Step 5: Compare the challenges from the passage with the options given in the question.
Step 6: Determine which option is not included in the list of challenges from the passage.
Step 7: Conclude that lack of public interest is the option that is NOT mentioned as a challenge.

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