| article html file updated | 30 August 2025 02:30 CEST | Update | https://www.mdpi.com/1999-4907/9/2/76 |
| article html file updated | 21 August 2025 19:30 CEST | Update | N/A |
| article html file updated | 16 July 2022 09:03 CEST | Update | N/A |
| article html file updated | 9 February 2020 05:34 CET | Update | N/A |
| article html file updated | 30 September 2019 12:58 CEST | Update | N/A |
| article html file updated | 1 May 2019 20:52 CEST | Update | N/A |
| article html file updated | 17 April 2019 19:50 CEST | Update | N/A |
| article html file updated | 28 March 2019 21:01 CET | Update | N/A |
| article html file updated | 14 March 2018 09:28 CET | Update | N/A |
| article html file updated | 5 February 2018 14:35 CET | Original file | N/A |
| article xml uploaded. | 5 February 2018 14:34 CET | Original file | https://www.mdpi.com/1999-4907/9/2/76/xml |
| article pdf uploaded. | 5 February 2018 14:34 CET | Updated version of record | https://www.mdpi.com/1999-4907/9/2/76/pdf |
| article pdf uploaded. | 5 February 2018 13:54 CET | Version of Record | N/A |
