Live action role-playing games share a range of characteristics with massively multiplayer online games (MMOGs). Because these games have existed for more than 20 years, players of these games have a substantial amount of experience in handling issues pertinent to MMOGs. Survey and review of live action role-playing games, whose participant count can be in the thousands, reveal that features such as size, theme, game master-to-player ratio, and others interact to form complex systems that require several different groups of control tools to manage. The way that these games are managed offers a variety of venues for further research into how these management techniques can be applied to MMOGs.

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SUMMARY A Study of fifty‐six cases of polymorphic light eruption has shown that the action spectrum frequently lies in both the long ultraviolet wavelengths (320‐400 nm) and the short ultraviolet wavelengths below 320 nm.

SUMMARY The use of blinds made of a semi‐clear yellow plastic material has been found helpful in the management in hospital of patients with severe photodermatoses.

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