| article html file updated | 14 August 2026 23:31 CEST | Update | https://www.mdpi.com/2226-471X/3/1/7 |
| article html file updated | 9 February 2020 10:25 CET | Update | N/A |
| article html file updated | 1 May 2019 10:31 CEST | Update | N/A |
| article html file updated | 17 April 2019 10:22 CEST | Update | N/A |
| article html file updated | 29 March 2019 07:50 CET | Update | N/A |
| article html file updated | 6 April 2018 03:33 CEST | Update | N/A |
| article xml uploaded. | 6 April 2018 03:32 CEST | Update | https://www.mdpi.com/2226-471X/3/1/7/xml |
| article pdf uploaded. | 6 April 2018 03:32 CEST | Updated version of record | https://www.mdpi.com/2226-471X/3/1/7/pdf |
| article html file updated | 21 March 2018 10:16 CET | Original file | N/A |
| article pdf uploaded. | 21 March 2018 10:15 CET | Updated version of record | https://www.mdpi.com/2226-471X/3/1/7/pdf-vor |
| article pdf uploaded. | 19 March 2018 17:46 CET | Version of Record | https://www.mdpi.com/2226-471X/3/1/7/pdf-vor |
