| article html file updated | 8 February 2020 06:21 CET | Update | https://www.mdpi.com/1999-4915/9/5/122 |
| article html file updated | 24 September 2019 22:31 CEST | Update | N/A |
| article html file updated | 3 May 2019 21:05 CEST | Update | N/A |
| article html file updated | 2 June 2017 08:32 CEST | Update | N/A |
| article html file updated | 22 May 2017 12:48 CEST | Original file | N/A |
| article xml uploaded. | 22 May 2017 12:47 CEST | Original file | https://www.mdpi.com/1999-4915/9/5/122/xml |
| article pdf uploaded. | 22 May 2017 12:47 CEST | Updated version of record | https://www.mdpi.com/1999-4915/9/5/122/pdf |
| article pdf uploaded. | 20 May 2017 14:21 CEST | Version of Record | https://www.mdpi.com/1999-4915/9/5/122/pdf-vor |