anchor.diff:  marcella brusa,difa - universita' di bologna,italy
   margherita talia,dipartimento di fisica e astronomia - universita di bologna,italy
   marie wingyee lau,"university of california, santa cruz",usa
  -marie-luise menzel,"max-planck-institute for extraterrestrial physics, garching",germany
  +marie luise menzel,"max-planck-institute for extraterrestrial physics, garching",germany
   marios karouzos,seoul national university,south korea
   marko stalevski,universidad de chile,chile
   masatoshi imanishi,subaru telescope,usa
   meg urry,yale university,usa
  -menci nicola,inaf - osservatorio astronomico di roma,italy
  +nicola menci,inaf - osservatorio astronomico di roma,italy
   michael cowley,macquarie university & the australian astronomical observatory,australia
   michael pracy,university of sydney,australia
  -"mickaelian, areg m.",byurakan astrophysical observatory (bao),armenia
  +areg mickaelian,byurakan astrophysical observatory (bao),armenia
   minnie yuan mao,nrao,usa
   mischa schirmer,gemini south,chile
   mojegan azadi,"uc san diego, center for astrophysics&space sciences",usa
   montserrat villar martin,centro de astrobiologia (inta/csic),spain
  -mnica silvia taormina,universidad de concepcin,chile
  +monica silvia taormina,universidad de concepcin,chile
   neil nagar,universidad de concepcion,chile
   neven caplar,"institute for astronomy, eth zurich",switzerland
   nick scoville,caltech,usa
  
positive.code: george b lansbury,durham university,united kingdom
  george privon,universidad de concepcion,chile
  gerold busch,"i. physikalisches institut, university of cologne",germany
  giallongo e.,inaf - observatory of rome,italy
  giorgio lanzuisi,inaf oa-bologna,italy
  giulia a.d. savorgnan,swinburne university (melbourne),australia
  guilherme dos santos couto,universidade federal do rio grande do sul (ufrgs),brazil
  gustavo adolfo orellana gonzalez,universidad de concepcion,chile
  hai fu,university of iowa,usa
  hirschmann michaela,institut d'astrophysique - cnrs,france
  hsin-yi shih,gemini observatory - north,usa
  hyun-jin bae,yonsei university,south korea
  ingyin zaw,new york university abu dhabi,united arab emirates
  ioannis georgantopoulos,national observatory of athens,greece
  ismael garca bernete,instituto de astrofsica de canarias,spain
  ivan delvecchio,"(1) university of zagreb, physics department, (2) university of bologna, department of physics and astronomy",croatia
  j. xavier prochaska,uc santa cruz,usa
  james aird,"institute of astronomy, university of cambridge",united kingdom
  james allen,university of sydney,australia
  jared gabor,cea saclay,france
  
negative.code: roberto bertoldo menezes,"instituto de astronomia, geofsica e ciencias atmosfricas - universidade de sao paulo",brazil
  roberto j. assef,universidad diego portales,chile
  rogemar a. riffel,universidade federal de santa maria,brazil
  rogerio riffel,ufrgs,brazil
  ronald lasker,mpia,germany
  rosalie mcgurk,university of california santa cruz,usa
  roy lawrence slater clement,university of concepcion,chile
  