Machine unavailability problem has been investigated in the literature due to causes like machine breakdown, tool change or preventive maintenance.
Furthermore, it is still not clear whether the HCCA mechanism will be implemented in next generation WLAN network cards, overcoming the unavailability problem of the PCF mechanism.
Both issues are often seen as barriers within the "Financial" category (Barriers A1 and A4) and, as a consequence, only a few researchers directly refer to the unavailability problem of computers/hardware.
Challenges of the programme were: socio-economic issues, unavailability of logistics, problems of transportation for referrals and insecurity.
The problems of unavailability of a single accepted control measure coupled with increased drug resistance of the parasite causing malaria have made it even more lethal.
The major reported problems were unavailability of vaccines and when available, the providers do not open for few neonates.
The three most common problems were unavailability of IPD for some studies, missing data, and different methods of measuring and recording (prognostic) factors across studies.
Empirical studies in this field have rarely included the explicit statement that some care has been forgone due to financial problems or unavailability.
These include: a negative attitude towards the practicing of LACMs, fear of side effects, partner objection, medical problems, the unavailability of methods, lack of knowledge, desire to have more children, age, and preference of short acting contraceptive methods [ 8].
Previous studies suggest that caring for patients who speak a different language is difficult because of lack of or unavailability of interpreters or problems in accessing interpreter agencies, which in some cases force care providers to use family members as interpreters.
