| article html file updated | 8 February 2020 08:27 CET | Update | https://www.mdpi.com/2305-6304/5/2/13 |
| article html file updated | 25 September 2019 09:20 CEST | Update | N/A |
| article html file updated | 3 May 2019 17:09 CEST | Update | N/A |
| article html file updated | 29 June 2017 11:58 CEST | Update | N/A |
| article html file updated | 19 June 2017 12:40 CEST | Original file | N/A |
| article xml uploaded. | 19 June 2017 12:38 CEST | Original file | https://www.mdpi.com/2305-6304/5/2/13/xml |
| article pdf uploaded. | 19 June 2017 12:38 CEST | Updated version of record | https://www.mdpi.com/2305-6304/5/2/13/pdf |
| article pdf uploaded. | 16 June 2017 11:11 CEST | Version of Record | https://www.mdpi.com/2305-6304/5/2/13/pdf-vor |
