| article html file updated | 6 February 2020 16:03 CET | Update | https://www.mdpi.com/1911-8074/8/1/127 |
| article html file updated | 20 September 2019 18:04 CEST | Update | - |
| article html file updated | 7 May 2019 00:48 CEST | Update | - |
| article html file updated | 25 March 2019 21:55 CET | Update | - |
| article html file updated | 21 August 2015 07:49 CEST | Update | - |
| article html file updated | 28 February 2015 03:09 CET | Original file | - |
| article xml file uploaded | 28 February 2015 03:09 CET | Original file | https://www.mdpi.com/1911-8074/8/1/127/xml |
| article pdf uploaded. | 26 February 2015 16:07 CET | Updated version of record | https://www.mdpi.com/1911-8074/8/1/127/pdf |
| article pdf uploaded. | 17 February 2015 13:58 CET | Updated version of record | https://www.mdpi.com/1911-8074/8/1/127/pdf-vor |
| article pdf uploaded. | 16 February 2015 15:40 CET | Version of Record | https://www.mdpi.com/1911-8074/8/1/127/pdf-vor |
