| [1] | Raknes G, Hansen EH, Hunskaar S (2013) Distance and utilisation of out-of-hours services in a Norwegian urban/rural district. An ecological study. BMC Health Serv Res 13: 222 doi:10.1186/1472-6963-13-222.
|
| [2] | Berke EM, Shi X (2009) Computing travel time when the exact address is unknown: a comparison of point and polygon ZIP code approximation methods. Int J Health Geogr 8: 23 doi:10.1186/1476-072X-8-23.
|
| [3] | Brabham DC (2008) Crowdsourcing as a Model for Problem Solving: An Introduction and Cases. Convergence: The International Journal of Research into New Media Technologies 14: 75–90 doi:10.1177/1354856507084420.
|
| [4] | Boulos MNK, Resch B, Crowley DN, Breslin JG, Sohn G, et al. (2011) Crowdsourcing, citizen sensing and sensor web technologies for public and environmental health surveillance and crisis management: trends, OGC standards and application examples. Int J Health Geogr 10: 67 doi:10.1186/1476-072x-10-67.
|
| [5] | Bolstad E (2013) Norske postnummer med koordinatar. Available: http://www.erikbolstad.no/geo/noreg/post？nummer/. Accessed 5 June 2013.
|
| [6] | Creative Commons Attribution 3.0 (2013) Available: http://creativecommons.org/licenses/by/3？.0/.8.Accessed 5 June 2013.
|
| [7] | Bolstad E (2013) Yr.no. Available : http://www.yr.no/.Accessed 5 June 2013.
|
| [8] | Bolstad E (2013) Dugnad p？ yr.no. Available : http://nrkbeta.no/2009/07/22/postnummer-？dugna/.Accessed 5 June 2013.
|
| [9] | Hansen EH, Hunskaar S (2008) Development, implementation, and pilot study of a sentinel network (“The Watchtowers”) for monitoring emergency primary health care activity in Norway. BMC Health Serv Res 8: 62 doi:10.1186/1472-6963-8-62.
|
| [10] | Morken T, Zachariassen SM (2012) Legevaktorganisering i Norge. Rapport fra Nasjonalt legevaktregister 2012. Rapport nr. 6–2012. [Organisation of the out-of-hours services in Norway 2012]. Bergen: National Centre for Emergency Primary Health Care, Uni Health, Uni Research. 9.
|
| [11] | Google (2013) Google Maps. Available : https://maps.google.com/. Accessed 5 June 2013.
|
| [12] | Foskett M (2008) Convert UK postcodes to longitude & latitude coordinates. Available : http://websemantics.co.uk/online_tools/p？ostcode_to_coordinates_conversion_tool/. Accessed 5 June 2013.
|
| [13] | Mutton P (2010) UK Postcodes. Finding grid coordinates from area codes. Available : http://www.jibble.org/ukpostcodes/Access？ed 5 June 2013.
|
| [14] | Kittur A, Kraut RE (2008) Harnessing the wisdom of crowds in wikipedia: quality through coordination. In: Proceedings of the 2008 ACM conference on Computer supported cooperative work. New York, ACM. 37–46.
|
