| article html file updated | 30 August 2025 02:38 CEST | Update | https://www.mdpi.com/2075-4701/8/2/134 |
| article html file updated | 16 July 2022 09:19 CEST | Update | N/A |
| article html file updated | 9 February 2020 06:52 CET | Update | N/A |
| article html file updated | 30 September 2019 20:44 CEST | Update | N/A |
| article html file updated | 1 May 2019 17:55 CEST | Update | N/A |
| article html file updated | 17 April 2019 17:15 CEST | Update | N/A |
| article html file updated | 28 March 2019 23:50 CET | Update | N/A |
| article html file updated | 23 February 2018 04:50 CET | Original file | N/A |
| article xml uploaded. | 23 February 2018 04:49 CET | Update | https://www.mdpi.com/2075-4701/8/2/134/xml |
| article xml uploaded. | 23 February 2018 04:49 CET | Original file | N/A |
| article pdf uploaded. | 23 February 2018 04:49 CET | Updated version of record | https://www.mdpi.com/2075-4701/8/2/134/pdf |
| article pdf uploaded. | 16 February 2018 13:46 CET | Version of Record | https://www.mdpi.com/2075-4701/8/2/134/pdf-vor |
