The TGF- family of growth factors, particularly the bone morphogenetic protein -24 homolog decapentaplegic, are specifically required to maintain germline stem cells and promote their division. Demand on the network node is projected based on the moving average. A subgraph initiator may explicitly execute the subgraph while maintaining data dependencies within the subgraph. At least one of the identification codes is a restriction code for restricting the usage of the terminal.