| article html file updated | 9 February 2020 15:12 CET | Update | https://www.mdpi.com/2227-7072/6/2/46 |
| article html file updated | 1 May 2019 00:48 CEST | Update | N/A |
| article html file updated | 17 April 2019 01:27 CEST | Update | N/A |
| article html file updated | 29 March 2019 18:55 CET | Update | N/A |
| article html file updated | 27 June 2018 20:19 CEST | Update | N/A |
| article html file updated | 26 April 2018 08:51 CEST | Original file | N/A |
| article pdf uploaded. | 26 April 2018 08:50 CEST | Updated version of record | https://www.mdpi.com/2227-7072/6/2/46/pdf |
| article xml uploaded. | 26 April 2018 08:50 CEST | Update | https://www.mdpi.com/2227-7072/6/2/46/xml |
| article xml file uploaded | 26 April 2018 08:50 CEST | Update | N/A |
| article pdf uploaded. | 24 April 2018 17:46 CEST | Updated version of record | N/A |
| article xml file uploaded | 24 April 2018 17:45 CEST | Original file | N/A |
