| article html file updated | 30 August 2025 02:23 CEST | Update | https://www.mdpi.com/2304-8158/7/2/13 |
| article html file updated | 16 July 2022 08:49 CEST | Update | - |
| article html file updated | 9 February 2020 04:29 CET | Update | - |
| article html file updated | 30 September 2019 06:17 CEST | Update | - |
| article html file updated | 1 May 2019 23:16 CEST | Update | - |
| article html file updated | 17 April 2019 21:53 CEST | Update | - |
| article html file updated | 28 March 2019 18:38 CET | Update | - |
| article html file updated | 14 March 2018 12:21 CET | Update | - |
| article html file updated | 26 January 2018 15:57 CET | Original file | - |
| article xml uploaded. | 26 January 2018 15:56 CET | Original file | https://www.mdpi.com/2304-8158/7/2/13/xml |
| article pdf uploaded. | 26 January 2018 15:56 CET | Version of Record | https://www.mdpi.com/2304-8158/7/2/13/pdf |
