1. State Research Institute Center for Physical Sciences and Technology Saulėtekio av. 3 Vilnius LT‐10257 Lithuania
2. Institute of Chemical Physics, Faculty of Physics Vilnius University Saulėtekio av. 9 Vilnius LT‐10222 Lithuania
3. Empa Swiss Federal Laboratories for Materials Science and Technology Laboratory for Functional Polymers Dübendorf CH‐8600 Switzerland
4. Institute of Materials Science and Engineering Ecole Polytechnique Fédérale de Lausanne EPFL Station 12 Lausanne CH‐1015 Switzerland
5. Dipartimento di Biotecnologie Chimica e Farmacia Università di Siena Siena 53100 Italy